Home / 490,370.90-735,555.26-130,541.83

Finding the Fourth Proportional to 490,370.90, 735,555.26 and 130,541.83

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Solution

The fourth proportional to 490,370.90, 735,555.26 and 130,541.83 is: 195,812.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,370.90 : 735,555.26 = 130,541.83 : x
  2. Step 2: Convert to fraction form
    490,370.90/735,555.26 = 130,541.83/x
  3. Step 3: Cross multiply
    490,370.90x = 735,555.26 × 130,541.83
  4. Step 4: Simplify right side
    490,370.90x = 96,020,728,193.99
  5. Step 5: Solve for x
    x = 96,020,728,193.99/490,370.90
  6. Step 6: Final answer
    x = 195,812.45

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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.