Home / 508,401.04-762,606.96-153,418.18

Finding the Fourth Proportional to 508,401.04, 762,606.96 and 153,418.18

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Solution

The fourth proportional to 508,401.04, 762,606.96 and 153,418.18 is: 230,128.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,401.04 : 762,606.96 = 153,418.18 : x
  2. Step 2: Convert to fraction form
    508,401.04/762,606.96 = 153,418.18/x
  3. Step 3: Cross multiply
    508,401.04x = 762,606.96 × 153,418.18
  4. Step 4: Simplify right side
    508,401.04x = 116,997,771,858.53
  5. Step 5: Solve for x
    x = 116,997,771,858.53/508,401.04
  6. Step 6: Final answer
    x = 230,128.90

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1.5x scale

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.