Home / 272,317.85-375,772.30-157,573.60

Finding the Fourth Proportional to 272,317.85, 375,772.30 and 157,573.60

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Solution

The fourth proportional to 272,317.85, 375,772.30 and 157,573.60 is: 217,436.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,317.85 : 375,772.30 = 157,573.60 : x
  2. Step 2: Convert to fraction form
    272,317.85/375,772.30 = 157,573.60/x
  3. Step 3: Cross multiply
    272,317.85x = 375,772.30 × 157,573.60
  4. Step 4: Simplify right side
    272,317.85x = 59,211,791,424.55
  5. Step 5: Solve for x
    x = 59,211,791,424.55/272,317.85
  6. Step 6: Final answer
    x = 217,436.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.