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Finding the Fourth Proportional to 369,410.08, 509,549.52 and 256,191.52

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Solution

The fourth proportional to 369,410.08, 509,549.52 and 256,191.52 is: 353,380.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,410.08 : 509,549.52 = 256,191.52 : x
  2. Step 2: Convert to fraction form
    369,410.08/509,549.52 = 256,191.52/x
  3. Step 3: Cross multiply
    369,410.08x = 509,549.52 × 256,191.52
  4. Step 4: Simplify right side
    369,410.08x = 130,542,266,044.07
  5. Step 5: Solve for x
    x = 130,542,266,044.07/369,410.08
  6. Step 6: Final answer
    x = 353,380.36

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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.