Home / 260,064.28-390,407.46-154,932.76

Finding the Fourth Proportional to 260,064.28, 390,407.46 and 154,932.76

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Solution

The fourth proportional to 260,064.28, 390,407.46 and 154,932.76 is: 232,584.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,064.28 : 390,407.46 = 154,932.76 : x
  2. Step 2: Convert to fraction form
    260,064.28/390,407.46 = 154,932.76/x
  3. Step 3: Cross multiply
    260,064.28x = 390,407.46 × 154,932.76
  4. Step 4: Simplify right side
    260,064.28x = 60,486,905,302.39
  5. Step 5: Solve for x
    x = 60,486,905,302.39/260,064.28
  6. Step 6: Final answer
    x = 232,584.44

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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.