Home / 508,918.80-763,232.40-153,847.20

Finding the Fourth Proportional to 508,918.80, 763,232.40 and 153,847.20

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Solution

The fourth proportional to 508,918.80, 763,232.40 and 153,847.20 is: 230,726.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,918.80 : 763,232.40 = 153,847.20 : x
  2. Step 2: Convert to fraction form
    508,918.80/763,232.40 = 153,847.20/x
  3. Step 3: Cross multiply
    508,918.80x = 763,232.40 × 153,847.20
  4. Step 4: Simplify right side
    508,918.80x = 117,421,167,689.28
  5. Step 5: Solve for x
    x = 117,421,167,689.28/508,918.80
  6. Step 6: Final answer
    x = 230,726.72

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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.