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Finding the Fourth Proportional to 349,637.70, 524,456.55 and 310,239.30

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Solution

The fourth proportional to 349,637.70, 524,456.55 and 310,239.30 is: 465,358.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,637.70 : 524,456.55 = 310,239.30 : x
  2. Step 2: Convert to fraction form
    349,637.70/524,456.55 = 310,239.30/x
  3. Step 3: Cross multiply
    349,637.70x = 524,456.55 × 310,239.30
  4. Step 4: Simplify right side
    349,637.70x = 162,707,032,952.42
  5. Step 5: Solve for x
    x = 162,707,032,952.42/349,637.70
  6. Step 6: Final answer
    x = 465,358.95

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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.