Home / 292,140.84-438,167.28-92,435.22

Finding the Fourth Proportional to 292,140.84, 438,167.28 and 92,435.22

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Solution

The fourth proportional to 292,140.84, 438,167.28 and 92,435.22 is: 138,638.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,140.84 : 438,167.28 = 92,435.22 : x
  2. Step 2: Convert to fraction form
    292,140.84/438,167.28 = 92,435.22/x
  3. Step 3: Cross multiply
    292,140.84x = 438,167.28 × 92,435.22
  4. Step 4: Simplify right side
    292,140.84x = 40,502,088,923.60
  5. Step 5: Solve for x
    x = 40,502,088,923.60/292,140.84
  6. Step 6: Final answer
    x = 138,638.91

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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.