Home / 508,981.20-763,277.40-153,877.20

Finding the Fourth Proportional to 508,981.20, 763,277.40 and 153,877.20

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Solution

The fourth proportional to 508,981.20, 763,277.40 and 153,877.20 is: 230,757.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,981.20 : 763,277.40 = 153,877.20 : x
  2. Step 2: Convert to fraction form
    508,981.20/763,277.40 = 153,877.20/x
  3. Step 3: Cross multiply
    508,981.20x = 763,277.40 × 153,877.20
  4. Step 4: Simplify right side
    508,981.20x = 117,450,989,135.28
  5. Step 5: Solve for x
    x = 117,450,989,135.28/508,981.20
  6. Step 6: Final answer
    x = 230,757.03

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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.