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Finding the Fourth Proportional to 375,528.30, 518,229.27 and 205,762.38

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Solution

The fourth proportional to 375,528.30, 518,229.27 and 205,762.38 is: 283,952.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,528.30 : 518,229.27 = 205,762.38 : x
  2. Step 2: Convert to fraction form
    375,528.30/518,229.27 = 205,762.38/x
  3. Step 3: Cross multiply
    375,528.30x = 518,229.27 × 205,762.38
  4. Step 4: Simplify right side
    375,528.30x = 106,632,087,980.86
  5. Step 5: Solve for x
    x = 106,632,087,980.86/375,528.30
  6. Step 6: Final answer
    x = 283,952.20

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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.