Home / 369,921.48-510,492.15-200,155.56

Finding the Fourth Proportional to 369,921.48, 510,492.15 and 200,155.56

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Solution

The fourth proportional to 369,921.48, 510,492.15 and 200,155.56 is: 276,214.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,921.48 : 510,492.15 = 200,155.56 : x
  2. Step 2: Convert to fraction form
    369,921.48/510,492.15 = 200,155.56/x
  3. Step 3: Cross multiply
    369,921.48x = 510,492.15 × 200,155.56
  4. Step 4: Simplify right side
    369,921.48x = 102,177,842,158.85
  5. Step 5: Solve for x
    x = 102,177,842,158.85/369,921.48
  6. Step 6: Final answer
    x = 276,214.95

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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.