Home / 448,242.30-672,362.01-140,517.72

Finding the Fourth Proportional to 448,242.30, 672,362.01 and 140,517.72

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Solution

The fourth proportional to 448,242.30, 672,362.01 and 140,517.72 is: 210,776.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,242.30 : 672,362.01 = 140,517.72 : x
  2. Step 2: Convert to fraction form
    448,242.30/672,362.01 = 140,517.72/x
  3. Step 3: Cross multiply
    448,242.30x = 672,362.01 × 140,517.72
  4. Step 4: Simplify right side
    448,242.30x = 94,478,776,659.82
  5. Step 5: Solve for x
    x = 94,478,776,659.82/448,242.30
  6. Step 6: Final answer
    x = 210,776.13

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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.