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Finding the Fourth Proportional to 310,071.27, 427,892.89 and 174,106.29

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Solution

The fourth proportional to 310,071.27, 427,892.89 and 174,106.29 is: 240,263.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,071.27 : 427,892.89 = 174,106.29 : x
  2. Step 2: Convert to fraction form
    310,071.27/427,892.89 = 174,106.29/x
  3. Step 3: Cross multiply
    310,071.27x = 427,892.89 × 174,106.29
  4. Step 4: Simplify right side
    310,071.27x = 74,498,843,595.28
  5. Step 5: Solve for x
    x = 74,498,843,595.28/310,071.27
  6. Step 6: Final answer
    x = 240,263.61

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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.