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Finding the Fourth Proportional to 247,129.99, 341,075.82 and 156,494.23

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Solution

The fourth proportional to 247,129.99, 341,075.82 and 156,494.23 is: 215,985.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,129.99 : 341,075.82 = 156,494.23 : x
  2. Step 2: Convert to fraction form
    247,129.99/341,075.82 = 156,494.23/x
  3. Step 3: Cross multiply
    247,129.99x = 341,075.82 × 156,494.23
  4. Step 4: Simplify right side
    247,129.99x = 53,376,397,822.52
  5. Step 5: Solve for x
    x = 53,376,397,822.52/247,129.99
  6. Step 6: Final answer
    x = 215,985.11

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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.