Home / 370,213.45-555,320.19-89,730.70

Finding the Fourth Proportional to 370,213.45, 555,320.19 and 89,730.70

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Solution

The fourth proportional to 370,213.45, 555,320.19 and 89,730.70 is: 134,596.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,213.45 : 555,320.19 = 89,730.70 : x
  2. Step 2: Convert to fraction form
    370,213.45/555,320.19 = 89,730.70/x
  3. Step 3: Cross multiply
    370,213.45x = 555,320.19 × 89,730.70
  4. Step 4: Simplify right side
    370,213.45x = 49,829,269,372.83
  5. Step 5: Solve for x
    x = 49,829,269,372.83/370,213.45
  6. Step 6: Final answer
    x = 134,596.05

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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.