Home / 445,042.60-614,148.42-243,834.28

Finding the Fourth Proportional to 445,042.60, 614,148.42 and 243,834.28

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Solution

The fourth proportional to 445,042.60, 614,148.42 and 243,834.28 is: 336,485.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,042.60 : 614,148.42 = 243,834.28 : x
  2. Step 2: Convert to fraction form
    445,042.60/614,148.42 = 243,834.28/x
  3. Step 3: Cross multiply
    445,042.60x = 614,148.42 × 243,834.28
  4. Step 4: Simplify right side
    445,042.60x = 149,750,437,803.84
  5. Step 5: Solve for x
    x = 149,750,437,803.84/445,042.60
  6. Step 6: Final answer
    x = 336,485.63

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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.