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Finding the Fourth Proportional to 375,432.69, 518,110.02 and 205,666.77

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Solution

The fourth proportional to 375,432.69, 518,110.02 and 205,666.77 is: 283,827.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,432.69 : 518,110.02 = 205,666.77 : x
  2. Step 2: Convert to fraction form
    375,432.69/518,110.02 = 205,666.77/x
  3. Step 3: Cross multiply
    375,432.69x = 518,110.02 × 205,666.77
  4. Step 4: Simplify right side
    375,432.69x = 106,558,014,318.04
  5. Step 5: Solve for x
    x = 106,558,014,318.04/375,432.69
  6. Step 6: Final answer
    x = 283,827.21

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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.