Home / 250,330.02-375,518.12-81,851.21

Finding the Fourth Proportional to 250,330.02, 375,518.12 and 81,851.21

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Solution

The fourth proportional to 250,330.02, 375,518.12 and 81,851.21 is: 122,784.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,330.02 : 375,518.12 = 81,851.21 : x
  2. Step 2: Convert to fraction form
    250,330.02/375,518.12 = 81,851.21/x
  3. Step 3: Cross multiply
    250,330.02x = 375,518.12 × 81,851.21
  4. Step 4: Simplify right side
    250,330.02x = 30,736,613,437.72
  5. Step 5: Solve for x
    x = 30,736,613,437.72/250,330.02
  6. Step 6: Final answer
    x = 122,784.37

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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.