Home / 314,877.20-472,315.80-93,261.20

Finding the Fourth Proportional to 314,877.20, 472,315.80 and 93,261.20

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Solution

The fourth proportional to 314,877.20, 472,315.80 and 93,261.20 is: 139,891.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,877.20 : 472,315.80 = 93,261.20 : x
  2. Step 2: Convert to fraction form
    314,877.20/472,315.80 = 93,261.20/x
  3. Step 3: Cross multiply
    314,877.20x = 472,315.80 × 93,261.20
  4. Step 4: Simplify right side
    314,877.20x = 44,048,738,286.96
  5. Step 5: Solve for x
    x = 44,048,738,286.96/314,877.20
  6. Step 6: Final answer
    x = 139,891.80

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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.