Home / 390,052.18-584,962.35-165,409.30

Finding the Fourth Proportional to 390,052.18, 584,962.35 and 165,409.30

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Solution

The fourth proportional to 390,052.18, 584,962.35 and 165,409.30 is: 248,064.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,052.18 : 584,962.35 = 165,409.30 : x
  2. Step 2: Convert to fraction form
    390,052.18/584,962.35 = 165,409.30/x
  3. Step 3: Cross multiply
    390,052.18x = 584,962.35 × 165,409.30
  4. Step 4: Simplify right side
    390,052.18x = 96,758,212,839.86
  5. Step 5: Solve for x
    x = 96,758,212,839.86/390,052.18
  6. Step 6: Final answer
    x = 248,064.79

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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.