Home / 495,275.10-742,912.65-121,298.10

Finding the Fourth Proportional to 495,275.10, 742,912.65 and 121,298.10

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Solution

The fourth proportional to 495,275.10, 742,912.65 and 121,298.10 is: 181,947.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,275.10 : 742,912.65 = 121,298.10 : x
  2. Step 2: Convert to fraction form
    495,275.10/742,912.65 = 121,298.10/x
  3. Step 3: Cross multiply
    495,275.10x = 742,912.65 × 121,298.10
  4. Step 4: Simplify right side
    495,275.10x = 90,113,892,910.97
  5. Step 5: Solve for x
    x = 90,113,892,910.97/495,275.10
  6. Step 6: Final answer
    x = 181,947.15

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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.