Home / 636,243.02-954,339.60-215,518.88

Finding the Fourth Proportional to 636,243.02, 954,339.60 and 215,518.88

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Solution

The fourth proportional to 636,243.02, 954,339.60 and 215,518.88 is: 323,269.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,243.02 : 954,339.60 = 215,518.88 : x
  2. Step 2: Convert to fraction form
    636,243.02/954,339.60 = 215,518.88/x
  3. Step 3: Cross multiply
    636,243.02x = 954,339.60 × 215,518.88
  4. Step 4: Simplify right side
    636,243.02x = 205,678,201,731.65
  5. Step 5: Solve for x
    x = 205,678,201,731.65/636,243.02
  6. Step 6: Final answer
    x = 323,269.88

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1.5x scale

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.