Home / 366,961.80-550,313.10-130,312.20

Finding the Fourth Proportional to 366,961.80, 550,313.10 and 130,312.20

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Solution

The fourth proportional to 366,961.80, 550,313.10 and 130,312.20 is: 195,422.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,961.80 : 550,313.10 = 130,312.20 : x
  2. Step 2: Convert to fraction form
    366,961.80/550,313.10 = 130,312.20/x
  3. Step 3: Cross multiply
    366,961.80x = 550,313.10 × 130,312.20
  4. Step 4: Simplify right side
    366,961.80x = 71,712,510,749.82
  5. Step 5: Solve for x
    x = 71,712,510,749.82/366,961.80
  6. Step 6: Final answer
    x = 195,422.28

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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.