Home / 545,112.74-817,604.72-145,784.47

Finding the Fourth Proportional to 545,112.74, 817,604.72 and 145,784.47

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Solution

The fourth proportional to 545,112.74, 817,604.72 and 145,784.47 is: 218,659.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,112.74 : 817,604.72 = 145,784.47 : x
  2. Step 2: Convert to fraction form
    545,112.74/817,604.72 = 145,784.47/x
  3. Step 3: Cross multiply
    545,112.74x = 817,604.72 × 145,784.47
  4. Step 4: Simplify right side
    545,112.74x = 119,194,069,095.15
  5. Step 5: Solve for x
    x = 119,194,069,095.15/545,112.74
  6. Step 6: Final answer
    x = 218,659.48

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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.