Home / 291,230.04-402,021.45-195,792.10

Finding the Fourth Proportional to 291,230.04, 402,021.45 and 195,792.10

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Solution

The fourth proportional to 291,230.04, 402,021.45 and 195,792.10 is: 270,276.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,230.04 : 402,021.45 = 195,792.10 : x
  2. Step 2: Convert to fraction form
    291,230.04/402,021.45 = 195,792.10/x
  3. Step 3: Cross multiply
    291,230.04x = 402,021.45 × 195,792.10
  4. Step 4: Simplify right side
    291,230.04x = 78,712,623,940.55
  5. Step 5: Solve for x
    x = 78,712,623,940.55/291,230.04
  6. Step 6: Final answer
    x = 270,276.46

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1.5x scale

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.