Home / 495,033.12-742,543.20-121,059.36

Finding the Fourth Proportional to 495,033.12, 742,543.20 and 121,059.36

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Solution

The fourth proportional to 495,033.12, 742,543.20 and 121,059.36 is: 181,587.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,033.12 : 742,543.20 = 121,059.36 : x
  2. Step 2: Convert to fraction form
    495,033.12/742,543.20 = 121,059.36/x
  3. Step 3: Cross multiply
    495,033.12x = 742,543.20 × 121,059.36
  4. Step 4: Simplify right side
    495,033.12x = 89,891,804,564.35
  5. Step 5: Solve for x
    x = 89,891,804,564.35/495,033.12
  6. Step 6: Final answer
    x = 181,587.46

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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.