Home / 370,265.27-555,379.45-130,391.01

Finding the Fourth Proportional to 370,265.27, 555,379.45 and 130,391.01

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Solution

The fourth proportional to 370,265.27, 555,379.45 and 130,391.01 is: 195,580.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,265.27 : 555,379.45 = 130,391.01 : x
  2. Step 2: Convert to fraction form
    370,265.27/555,379.45 = 130,391.01/x
  3. Step 3: Cross multiply
    370,265.27x = 555,379.45 × 130,391.01
  4. Step 4: Simplify right side
    370,265.27x = 72,416,487,418.74
  5. Step 5: Solve for x
    x = 72,416,487,418.74/370,265.27
  6. Step 6: Final answer
    x = 195,580.02

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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.