Home / 240,210.17-360,330.12-80,300.50

Finding the Fourth Proportional to 240,210.17, 360,330.12 and 80,300.50

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Solution

The fourth proportional to 240,210.17, 360,330.12 and 80,300.50 is: 120,455.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,210.17 : 360,330.12 = 80,300.50 : x
  2. Step 2: Convert to fraction form
    240,210.17/360,330.12 = 80,300.50/x
  3. Step 3: Cross multiply
    240,210.17x = 360,330.12 × 80,300.50
  4. Step 4: Simplify right side
    240,210.17x = 28,934,686,597.91
  5. Step 5: Solve for x
    x = 28,934,686,597.91/240,210.17
  6. Step 6: Final answer
    x = 120,455.71

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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.