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Finding the Fourth Proportional to 448,368.40, 672,552.60 and 164,058.40

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Solution

The fourth proportional to 448,368.40, 672,552.60 and 164,058.40 is: 246,087.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,368.40 : 672,552.60 = 164,058.40 : x
  2. Step 2: Convert to fraction form
    448,368.40/672,552.60 = 164,058.40/x
  3. Step 3: Cross multiply
    448,368.40x = 672,552.60 × 164,058.40
  4. Step 4: Simplify right side
    448,368.40x = 110,337,903,471.84
  5. Step 5: Solve for x
    x = 110,337,903,471.84/448,368.40
  6. Step 6: Final answer
    x = 246,087.60

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.