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Finding the Fourth Proportional to 400,167.61, 600,251.42 and 163,510.07

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Solution

The fourth proportional to 400,167.61, 600,251.42 and 163,510.07 is: 245,265.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,167.61 : 600,251.42 = 163,510.07 : x
  2. Step 2: Convert to fraction form
    400,167.61/600,251.42 = 163,510.07/x
  3. Step 3: Cross multiply
    400,167.61x = 600,251.42 × 163,510.07
  4. Step 4: Simplify right side
    400,167.61x = 98,147,151,701.80
  5. Step 5: Solve for x
    x = 98,147,151,701.80/400,167.61
  6. Step 6: Final answer
    x = 245,265.11

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1.5x scale

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.