Home / 341,427.30-510,974.55-299,436.90

Finding the Fourth Proportional to 341,427.30, 510,974.55 and 299,436.90

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Solution

The fourth proportional to 341,427.30, 510,974.55 and 299,436.90 is: 448,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,427.30 : 510,974.55 = 299,436.90 : x
  2. Step 2: Convert to fraction form
    341,427.30/510,974.55 = 299,436.90/x
  3. Step 3: Cross multiply
    341,427.30x = 510,974.55 × 299,436.90
  4. Step 4: Simplify right side
    341,427.30x = 153,004,635,230.90
  5. Step 5: Solve for x
    x = 153,004,635,230.90/341,427.30
  6. Step 6: Final answer
    x = 448,132.40

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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.