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Finding the Fourth Proportional to 323,528.04, 446,470.44 and 187,642.50

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Solution

The fourth proportional to 323,528.04, 446,470.44 and 187,642.50 is: 258,947.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,528.04 : 446,470.44 = 187,642.50 : x
  2. Step 2: Convert to fraction form
    323,528.04/446,470.44 = 187,642.50/x
  3. Step 3: Cross multiply
    323,528.04x = 446,470.44 × 187,642.50
  4. Step 4: Simplify right side
    323,528.04x = 83,776,829,537.70
  5. Step 5: Solve for x
    x = 83,776,829,537.70/323,528.04
  6. Step 6: Final answer
    x = 258,947.66

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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.