Home / 212,432.48-318,696.72-70,277.41

Finding the Fourth Proportional to 212,432.48, 318,696.72 and 70,277.41

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Solution

The fourth proportional to 212,432.48, 318,696.72 and 70,277.41 is: 105,432.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,432.48 : 318,696.72 = 70,277.41 : x
  2. Step 2: Convert to fraction form
    212,432.48/318,696.72 = 70,277.41/x
  3. Step 3: Cross multiply
    212,432.48x = 318,696.72 × 70,277.41
  4. Step 4: Simplify right side
    212,432.48x = 22,397,181,285.92
  5. Step 5: Solve for x
    x = 22,397,181,285.92/212,432.48
  6. Step 6: Final answer
    x = 105,432.00

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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.