Home / 390,043.93-584,949.98-165,401.05

Finding the Fourth Proportional to 390,043.93, 584,949.98 and 165,401.05

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Solution

The fourth proportional to 390,043.93, 584,949.98 and 165,401.05 is: 248,052.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,043.93 : 584,949.98 = 165,401.05 : x
  2. Step 2: Convert to fraction form
    390,043.93/584,949.98 = 165,401.05/x
  3. Step 3: Cross multiply
    390,043.93x = 584,949.98 × 165,401.05
  4. Step 4: Simplify right side
    390,043.93x = 96,751,340,062.47
  5. Step 5: Solve for x
    x = 96,751,340,062.47/390,043.93
  6. Step 6: Final answer
    x = 248,052.42

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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.