Home / 212,078.64-318,040.02-62,280.48

Finding the Fourth Proportional to 212,078.64, 318,040.02 and 62,280.48

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Solution

The fourth proportional to 212,078.64, 318,040.02 and 62,280.48 is: 93,397.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,078.64 : 318,040.02 = 62,280.48 : x
  2. Step 2: Convert to fraction form
    212,078.64/318,040.02 = 62,280.48/x
  3. Step 3: Cross multiply
    212,078.64x = 318,040.02 × 62,280.48
  4. Step 4: Simplify right side
    212,078.64x = 19,807,685,104.81
  5. Step 5: Solve for x
    x = 19,807,685,104.81/212,078.64
  6. Step 6: Final answer
    x = 93,397.83

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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.