Home / 306,782.28-423,475.02-179,498.88

Finding the Fourth Proportional to 306,782.28, 423,475.02 and 179,498.88

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Solution

The fourth proportional to 306,782.28, 423,475.02 and 179,498.88 is: 247,776.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,782.28 : 423,475.02 = 179,498.88 : x
  2. Step 2: Convert to fraction form
    306,782.28/423,475.02 = 179,498.88/x
  3. Step 3: Cross multiply
    306,782.28x = 423,475.02 × 179,498.88
  4. Step 4: Simplify right side
    306,782.28x = 76,013,291,797.98
  5. Step 5: Solve for x
    x = 76,013,291,797.98/306,782.28
  6. Step 6: Final answer
    x = 247,776.02

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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.