Home / 256,460.23-384,577.38-136,488.24

Finding the Fourth Proportional to 256,460.23, 384,577.38 and 136,488.24

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Solution

The fourth proportional to 256,460.23, 384,577.38 and 136,488.24 is: 204,672.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,460.23 : 384,577.38 = 136,488.24 : x
  2. Step 2: Convert to fraction form
    256,460.23/384,577.38 = 136,488.24/x
  3. Step 3: Cross multiply
    256,460.23x = 384,577.38 × 136,488.24
  4. Step 4: Simplify right side
    256,460.23x = 52,490,289,931.95
  5. Step 5: Solve for x
    x = 52,490,289,931.95/256,460.23
  6. Step 6: Final answer
    x = 204,672.24

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1.5x scale

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.