Home / 645,285.20-967,055.90-245,708

Finding the Fourth Proportional to 645,285.20, 967,055.90 and 245,708

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Solution

The fourth proportional to 645,285.20, 967,055.90 and 245,708 is: 368,230.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,285.20 : 967,055.90 = 245,708 : x
  2. Step 2: Convert to fraction form
    645,285.20/967,055.90 = 245,708/x
  3. Step 3: Cross multiply
    645,285.20x = 967,055.90 × 245,708
  4. Step 4: Simplify right side
    645,285.20x = 237,613,371,077.20
  5. Step 5: Solve for x
    x = 237,613,371,077.20/645,285.20
  6. Step 6: Final answer
    x = 368,230.00

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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.