Home / 369,986.58-510,582.76-200,220.66

Finding the Fourth Proportional to 369,986.58, 510,582.76 and 200,220.66

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Solution

The fourth proportional to 369,986.58, 510,582.76 and 200,220.66 is: 276,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,986.58 : 510,582.76 = 200,220.66 : x
  2. Step 2: Convert to fraction form
    369,986.58/510,582.76 = 200,220.66/x
  3. Step 3: Cross multiply
    369,986.58x = 510,582.76 × 200,220.66
  4. Step 4: Simplify right side
    369,986.58x = 102,229,217,191.82
  5. Step 5: Solve for x
    x = 102,229,217,191.82/369,986.58
  6. Step 6: Final answer
    x = 276,305.20

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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.