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Finding the Fourth Proportional to 371,750.39, 513,005.85 and 210,601.29

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Solution

The fourth proportional to 371,750.39, 513,005.85 and 210,601.29 is: 290,624.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,750.39 : 513,005.85 = 210,601.29 : x
  2. Step 2: Convert to fraction form
    371,750.39/513,005.85 = 210,601.29/x
  3. Step 3: Cross multiply
    371,750.39x = 513,005.85 × 210,601.29
  4. Step 4: Simplify right side
    371,750.39x = 108,039,693,787.55
  5. Step 5: Solve for x
    x = 108,039,693,787.55/371,750.39
  6. Step 6: Final answer
    x = 290,624.30

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1.5x scale

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.