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Finding the Fourth Proportional to 387,616.04, 580,832 and 162,853.60

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Solution

The fourth proportional to 387,616.04, 580,832 and 162,853.60 is: 244,031.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,616.04 : 580,832 = 162,853.60 : x
  2. Step 2: Convert to fraction form
    387,616.04/580,832 = 162,853.60/x
  3. Step 3: Cross multiply
    387,616.04x = 580,832 × 162,853.60
  4. Step 4: Simplify right side
    387,616.04x = 94,590,582,195.20
  5. Step 5: Solve for x
    x = 94,590,582,195.20/387,616.04
  6. Step 6: Final answer
    x = 244,031.65

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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.