Home / 390,035.04-584,610.24-179,237.36

Finding the Fourth Proportional to 390,035.04, 584,610.24 and 179,237.36

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Solution

The fourth proportional to 390,035.04, 584,610.24 and 179,237.36 is: 268,652.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,035.04 : 584,610.24 = 179,237.36 : x
  2. Step 2: Convert to fraction form
    390,035.04/584,610.24 = 179,237.36/x
  3. Step 3: Cross multiply
    390,035.04x = 584,610.24 × 179,237.36
  4. Step 4: Simplify right side
    390,035.04x = 104,783,996,046.57
  5. Step 5: Solve for x
    x = 104,783,996,046.57/390,035.04
  6. Step 6: Final answer
    x = 268,652.78

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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.