Home / 276,931.60-382,160.25-156,070.44

Finding the Fourth Proportional to 276,931.60, 382,160.25 and 156,070.44

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Solution

The fourth proportional to 276,931.60, 382,160.25 and 156,070.44 is: 215,374.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,931.60 : 382,160.25 = 156,070.44 : x
  2. Step 2: Convert to fraction form
    276,931.60/382,160.25 = 156,070.44/x
  3. Step 3: Cross multiply
    276,931.60x = 382,160.25 × 156,070.44
  4. Step 4: Simplify right side
    276,931.60x = 59,643,918,368.01
  5. Step 5: Solve for x
    x = 59,643,918,368.01/276,931.60
  6. Step 6: Final answer
    x = 215,374.19

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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.