Home / 490,364.30-735,545.36-130,535.23

Finding the Fourth Proportional to 490,364.30, 735,545.36 and 130,535.23

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Solution

The fourth proportional to 490,364.30, 735,545.36 and 130,535.23 is: 195,802.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,364.30 : 735,545.36 = 130,535.23 : x
  2. Step 2: Convert to fraction form
    490,364.30/735,545.36 = 130,535.23/x
  3. Step 3: Cross multiply
    490,364.30x = 735,545.36 × 130,535.23
  4. Step 4: Simplify right side
    490,364.30x = 96,014,582,743.03
  5. Step 5: Solve for x
    x = 96,014,582,743.03/490,364.30
  6. Step 6: Final answer
    x = 195,802.55

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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.