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Finding the Fourth Proportional to 292,169.56, 438,304.62 and 92,486.92

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Solution

The fourth proportional to 292,169.56, 438,304.62 and 92,486.92 is: 138,746.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,169.56 : 438,304.62 = 92,486.92 : x
  2. Step 2: Convert to fraction form
    292,169.56/438,304.62 = 92,486.92/x
  3. Step 3: Cross multiply
    292,169.56x = 438,304.62 × 92,486.92
  4. Step 4: Simplify right side
    292,169.56x = 40,537,444,325.57
  5. Step 5: Solve for x
    x = 40,537,444,325.57/292,169.56
  6. Step 6: Final answer
    x = 138,746.30

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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.