Home / 342,277.46-513,484.65-105,611.25

Finding the Fourth Proportional to 342,277.46, 513,484.65 and 105,611.25

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Solution

The fourth proportional to 342,277.46, 513,484.65 and 105,611.25 is: 158,438.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,277.46 : 513,484.65 = 105,611.25 : x
  2. Step 2: Convert to fraction form
    342,277.46/513,484.65 = 105,611.25/x
  3. Step 3: Cross multiply
    342,277.46x = 513,484.65 × 105,611.25
  4. Step 4: Simplify right side
    342,277.46x = 54,229,755,742.31
  5. Step 5: Solve for x
    x = 54,229,755,742.31/342,277.46
  6. Step 6: Final answer
    x = 158,438.00

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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.