Home / 460,123.17-634,968.51-256,168.79

Finding the Fourth Proportional to 460,123.17, 634,968.51 and 256,168.79

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Solution

The fourth proportional to 460,123.17, 634,968.51 and 256,168.79 is: 353,512.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,123.17 : 634,968.51 = 256,168.79 : x
  2. Step 2: Convert to fraction form
    460,123.17/634,968.51 = 256,168.79/x
  3. Step 3: Cross multiply
    460,123.17x = 634,968.51 × 256,168.79
  4. Step 4: Simplify right side
    460,123.17x = 162,659,117,442.86
  5. Step 5: Solve for x
    x = 162,659,117,442.86/460,123.17
  6. Step 6: Final answer
    x = 353,512.12

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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.