Home / 309,232.24-426,747.28-173,276.40

Finding the Fourth Proportional to 309,232.24, 426,747.28 and 173,276.40

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Solution

The fourth proportional to 309,232.24, 426,747.28 and 173,276.40 is: 239,125.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,232.24 : 426,747.28 = 173,276.40 : x
  2. Step 2: Convert to fraction form
    309,232.24/426,747.28 = 173,276.40/x
  3. Step 3: Cross multiply
    309,232.24x = 426,747.28 × 173,276.40
  4. Step 4: Simplify right side
    309,232.24x = 73,945,232,388.19
  5. Step 5: Solve for x
    x = 73,945,232,388.19/309,232.24
  6. Step 6: Final answer
    x = 239,125.24

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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.