Home / 424,921.32-586,491.17-243,630

Finding the Fourth Proportional to 424,921.32, 586,491.17 and 243,630

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Solution

The fourth proportional to 424,921.32, 586,491.17 and 243,630 is: 336,266.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,921.32 : 586,491.17 = 243,630 : x
  2. Step 2: Convert to fraction form
    424,921.32/586,491.17 = 243,630/x
  3. Step 3: Cross multiply
    424,921.32x = 586,491.17 × 243,630
  4. Step 4: Simplify right side
    424,921.32x = 142,886,842,528.95
  5. Step 5: Solve for x
    x = 142,886,842,528.95/424,921.32
  6. Step 6: Final answer
    x = 336,266.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.