Home / 545,116.73-817,624.95-145,743.18

Finding the Fourth Proportional to 545,116.73, 817,624.95 and 145,743.18

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Solution

The fourth proportional to 545,116.73, 817,624.95 and 145,743.18 is: 218,601.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,116.73 : 817,624.95 = 145,743.18 : x
  2. Step 2: Convert to fraction form
    545,116.73/817,624.95 = 145,743.18/x
  3. Step 3: Cross multiply
    545,116.73x = 817,624.95 × 145,743.18
  4. Step 4: Simplify right side
    545,116.73x = 119,163,260,260.34
  5. Step 5: Solve for x
    x = 119,163,260,260.34/545,116.73
  6. Step 6: Final answer
    x = 218,601.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.