Home / 369,727.29-510,223.67-199,961.42

Finding the Fourth Proportional to 369,727.29, 510,223.67 and 199,961.42

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Solution

The fourth proportional to 369,727.29, 510,223.67 and 199,961.42 is: 275,946.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,727.29 : 510,223.67 = 199,961.42 : x
  2. Step 2: Convert to fraction form
    369,727.29/510,223.67 = 199,961.42/x
  3. Step 3: Cross multiply
    369,727.29x = 510,223.67 × 199,961.42
  4. Step 4: Simplify right side
    369,727.29x = 102,025,049,570.81
  5. Step 5: Solve for x
    x = 102,025,049,570.81/369,727.29
  6. Step 6: Final answer
    x = 275,946.76

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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.