Home / 358,874.20-539,477.70-307,552.60

Finding the Fourth Proportional to 358,874.20, 539,477.70 and 307,552.60

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Solution

The fourth proportional to 358,874.20, 539,477.70 and 307,552.60 is: 462,328.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,874.20 : 539,477.70 = 307,552.60 : x
  2. Step 2: Convert to fraction form
    358,874.20/539,477.70 = 307,552.60/x
  3. Step 3: Cross multiply
    358,874.20x = 539,477.70 × 307,552.60
  4. Step 4: Simplify right side
    358,874.20x = 165,917,769,277.02
  5. Step 5: Solve for x
    x = 165,917,769,277.02/358,874.20
  6. Step 6: Final answer
    x = 462,328.50

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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.