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Finding the Fourth Proportional to 225,301.02, 310,915.71 and 140,418.08

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Solution

The fourth proportional to 225,301.02, 310,915.71 and 140,418.08 is: 193,777.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,301.02 : 310,915.71 = 140,418.08 : x
  2. Step 2: Convert to fraction form
    225,301.02/310,915.71 = 140,418.08/x
  3. Step 3: Cross multiply
    225,301.02x = 310,915.71 × 140,418.08
  4. Step 4: Simplify right side
    225,301.02x = 43,658,186,337.95
  5. Step 5: Solve for x
    x = 43,658,186,337.95/225,301.02
  6. Step 6: Final answer
    x = 193,777.14

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1.5x scale

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.