Home / 369,986.32-510,582.41-200,220.40

Finding the Fourth Proportional to 369,986.32, 510,582.41 and 200,220.40

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Solution

The fourth proportional to 369,986.32, 510,582.41 and 200,220.40 is: 276,304.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,986.32 : 510,582.41 = 200,220.40 : x
  2. Step 2: Convert to fraction form
    369,986.32/510,582.41 = 200,220.40/x
  3. Step 3: Cross multiply
    369,986.32x = 510,582.41 × 200,220.40
  4. Step 4: Simplify right side
    369,986.32x = 102,229,013,362.06
  5. Step 5: Solve for x
    x = 102,229,013,362.06/369,986.32
  6. Step 6: Final answer
    x = 276,304.85

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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.