Home / 376,947.34-520,191.36-204,865.30

Finding the Fourth Proportional to 376,947.34, 520,191.36 and 204,865.30

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Solution

The fourth proportional to 376,947.34, 520,191.36 and 204,865.30 is: 282,716.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,947.34 : 520,191.36 = 204,865.30 : x
  2. Step 2: Convert to fraction form
    376,947.34/520,191.36 = 204,865.30/x
  3. Step 3: Cross multiply
    376,947.34x = 520,191.36 × 204,865.30
  4. Step 4: Simplify right side
    376,947.34x = 106,569,159,023.81
  5. Step 5: Solve for x
    x = 106,569,159,023.81/376,947.34
  6. Step 6: Final answer
    x = 282,716.30

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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.