Home / 342,035.10-472,001.48-189,079.74

Finding the Fourth Proportional to 342,035.10, 472,001.48 and 189,079.74

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Solution

The fourth proportional to 342,035.10, 472,001.48 and 189,079.74 is: 260,926.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,035.10 : 472,001.48 = 189,079.74 : x
  2. Step 2: Convert to fraction form
    342,035.10/472,001.48 = 189,079.74/x
  3. Step 3: Cross multiply
    342,035.10x = 472,001.48 × 189,079.74
  4. Step 4: Simplify right side
    342,035.10x = 89,245,917,118.02
  5. Step 5: Solve for x
    x = 89,245,917,118.02/342,035.10
  6. Step 6: Final answer
    x = 260,926.19

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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.