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Finding the Fourth Proportional to 442,210.20, 610,252.08 and 251,234.06

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Solution

The fourth proportional to 442,210.20, 610,252.08 and 251,234.06 is: 346,704.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,210.20 : 610,252.08 = 251,234.06 : x
  2. Step 2: Convert to fraction form
    442,210.20/610,252.08 = 251,234.06/x
  3. Step 3: Cross multiply
    442,210.20x = 610,252.08 × 251,234.06
  4. Step 4: Simplify right side
    442,210.20x = 153,316,107,681.85
  5. Step 5: Solve for x
    x = 153,316,107,681.85/442,210.20
  6. Step 6: Final answer
    x = 346,704.14

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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.