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Finding the Fourth Proportional to 452,039.61, 623,659.77 and 258,308.13

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Solution

The fourth proportional to 452,039.61, 623,659.77 and 258,308.13 is: 356,376.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,039.61 : 623,659.77 = 258,308.13 : x
  2. Step 2: Convert to fraction form
    452,039.61/623,659.77 = 258,308.13/x
  3. Step 3: Cross multiply
    452,039.61x = 623,659.77 × 258,308.13
  4. Step 4: Simplify right side
    452,039.61x = 161,096,388,944.93
  5. Step 5: Solve for x
    x = 161,096,388,944.93/452,039.61
  6. Step 6: Final answer
    x = 356,376.71

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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.