Home / 448,156.13-672,232.38-181,914.40

Finding the Fourth Proportional to 448,156.13, 672,232.38 and 181,914.40

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Solution

The fourth proportional to 448,156.13, 672,232.38 and 181,914.40 is: 272,870.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,156.13 : 672,232.38 = 181,914.40 : x
  2. Step 2: Convert to fraction form
    448,156.13/672,232.38 = 181,914.40/x
  3. Step 3: Cross multiply
    448,156.13x = 672,232.38 × 181,914.40
  4. Step 4: Simplify right side
    448,156.13x = 122,288,747,705.51
  5. Step 5: Solve for x
    x = 122,288,747,705.51/448,156.13
  6. Step 6: Final answer
    x = 272,870.86

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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.