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Finding the Fourth Proportional to 255,833.48, 352,941.30 and 187,732.14

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Solution

The fourth proportional to 255,833.48, 352,941.30 and 187,732.14 is: 258,990.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,833.48 : 352,941.30 = 187,732.14 : x
  2. Step 2: Convert to fraction form
    255,833.48/352,941.30 = 187,732.14/x
  3. Step 3: Cross multiply
    255,833.48x = 352,941.30 × 187,732.14
  4. Step 4: Simplify right side
    255,833.48x = 66,258,425,543.38
  5. Step 5: Solve for x
    x = 66,258,425,543.38/255,833.48
  6. Step 6: Final answer
    x = 258,990.44

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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.