Home / 495,361.28-743,041.84-121,381.04

Finding the Fourth Proportional to 495,361.28, 743,041.84 and 121,381.04

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Solution

The fourth proportional to 495,361.28, 743,041.84 and 121,381.04 is: 182,071.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,361.28 : 743,041.84 = 121,381.04 : x
  2. Step 2: Convert to fraction form
    495,361.28/743,041.84 = 121,381.04/x
  3. Step 3: Cross multiply
    495,361.28x = 743,041.84 × 121,381.04
  4. Step 4: Simplify right side
    495,361.28x = 90,191,191,302.71
  5. Step 5: Solve for x
    x = 90,191,191,302.71/495,361.28
  6. Step 6: Final answer
    x = 182,071.54

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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.