Home / 342,934.48-473,244.45-189,972.21

Finding the Fourth Proportional to 342,934.48, 473,244.45 and 189,972.21

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Solution

The fourth proportional to 342,934.48, 473,244.45 and 189,972.21 is: 262,158.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,934.48 : 473,244.45 = 189,972.21 : x
  2. Step 2: Convert to fraction form
    342,934.48/473,244.45 = 189,972.21/x
  3. Step 3: Cross multiply
    342,934.48x = 473,244.45 × 189,972.21
  4. Step 4: Simplify right side
    342,934.48x = 89,903,294,036.73
  5. Step 5: Solve for x
    x = 89,903,294,036.73/342,934.48
  6. Step 6: Final answer
    x = 262,158.81

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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.