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Finding the Fourth Proportional to 375,681.60, 518,460.48 and 205,922.88

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Solution

The fourth proportional to 375,681.60, 518,460.48 and 205,922.88 is: 284,184.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,681.60 : 518,460.48 = 205,922.88 : x
  2. Step 2: Convert to fraction form
    375,681.60/518,460.48 = 205,922.88/x
  3. Step 3: Cross multiply
    375,681.60x = 518,460.48 × 205,922.88
  4. Step 4: Simplify right side
    375,681.60x = 106,762,875,207.78
  5. Step 5: Solve for x
    x = 106,762,875,207.78/375,681.60
  6. Step 6: Final answer
    x = 284,184.47

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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.