Home / 509,027.60-763,444.20-154,053.20

Finding the Fourth Proportional to 509,027.60, 763,444.20 and 154,053.20

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Solution

The fourth proportional to 509,027.60, 763,444.20 and 154,053.20 is: 231,050.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,027.60 : 763,444.20 = 154,053.20 : x
  2. Step 2: Convert to fraction form
    509,027.60/763,444.20 = 154,053.20/x
  3. Step 3: Cross multiply
    509,027.60x = 763,444.20 × 154,053.20
  4. Step 4: Simplify right side
    509,027.60x = 117,611,022,031.44
  5. Step 5: Solve for x
    x = 117,611,022,031.44/509,027.60
  6. Step 6: Final answer
    x = 231,050.38

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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.