Home / 291,272.08-402,079.36-195,834.10

Finding the Fourth Proportional to 291,272.08, 402,079.36 and 195,834.10

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Solution

The fourth proportional to 291,272.08, 402,079.36 and 195,834.10 is: 270,334.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,272.08 : 402,079.36 = 195,834.10 : x
  2. Step 2: Convert to fraction form
    291,272.08/402,079.36 = 195,834.10/x
  3. Step 3: Cross multiply
    291,272.08x = 402,079.36 × 195,834.10
  4. Step 4: Simplify right side
    291,272.08x = 78,740,849,594.18
  5. Step 5: Solve for x
    x = 78,740,849,594.18/291,272.08
  6. Step 6: Final answer
    x = 270,334.35

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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.