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Finding the Fourth Proportional to 290,602.17, 435,724.94 and 112,901.73

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Solution

The fourth proportional to 290,602.17, 435,724.94 and 112,901.73 is: 169,283.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,602.17 : 435,724.94 = 112,901.73 : x
  2. Step 2: Convert to fraction form
    290,602.17/435,724.94 = 112,901.73/x
  3. Step 3: Cross multiply
    290,602.17x = 435,724.94 × 112,901.73
  4. Step 4: Simplify right side
    290,602.17x = 49,194,098,965.64
  5. Step 5: Solve for x
    x = 49,194,098,965.64/290,602.17
  6. Step 6: Final answer
    x = 169,283.32

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1.5x scale

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.