Home / 207,277.02-310,915.46-74,149.20

Finding the Fourth Proportional to 207,277.02, 310,915.46 and 74,149.20

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Solution

The fourth proportional to 207,277.02, 310,915.46 and 74,149.20 is: 111,223.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,277.02 : 310,915.46 = 74,149.20 : x
  2. Step 2: Convert to fraction form
    207,277.02/310,915.46 = 74,149.20/x
  3. Step 3: Cross multiply
    207,277.02x = 310,915.46 × 74,149.20
  4. Step 4: Simplify right side
    207,277.02x = 23,054,132,626.63
  5. Step 5: Solve for x
    x = 23,054,132,626.63/207,277.02
  6. Step 6: Final answer
    x = 111,223.77

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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.