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Finding the Fourth Proportional to 442,976.28, 611,275.53 and 249,373.98

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Solution

The fourth proportional to 442,976.28, 611,275.53 and 249,373.98 is: 344,118.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,976.28 : 611,275.53 = 249,373.98 : x
  2. Step 2: Convert to fraction form
    442,976.28/611,275.53 = 249,373.98/x
  3. Step 3: Cross multiply
    442,976.28x = 611,275.53 × 249,373.98
  4. Step 4: Simplify right side
    442,976.28x = 152,436,211,792.71
  5. Step 5: Solve for x
    x = 152,436,211,792.71/442,976.28
  6. Step 6: Final answer
    x = 344,118.23

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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.