Home / 291,263.76-402,068.36-195,825.80

Finding the Fourth Proportional to 291,263.76, 402,068.36 and 195,825.80

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Solution

The fourth proportional to 291,263.76, 402,068.36 and 195,825.80 is: 270,323.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,263.76 : 402,068.36 = 195,825.80 : x
  2. Step 2: Convert to fraction form
    291,263.76/402,068.36 = 195,825.80/x
  3. Step 3: Cross multiply
    291,263.76x = 402,068.36 × 195,825.80
  4. Step 4: Simplify right side
    291,263.76x = 78,735,359,746.42
  5. Step 5: Solve for x
    x = 78,735,359,746.42/291,263.76
  6. Step 6: Final answer
    x = 270,323.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.