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Finding the Fourth Proportional to 356,235.60, 491,595.60 and 203,271.01

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Solution

The fourth proportional to 356,235.60, 491,595.60 and 203,271.01 is: 280,508.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,235.60 : 491,595.60 = 203,271.01 : x
  2. Step 2: Convert to fraction form
    356,235.60/491,595.60 = 203,271.01/x
  3. Step 3: Cross multiply
    356,235.60x = 491,595.60 × 203,271.01
  4. Step 4: Simplify right side
    356,235.60x = 99,927,134,123.56
  5. Step 5: Solve for x
    x = 99,927,134,123.56/356,235.60
  6. Step 6: Final answer
    x = 280,508.56

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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.