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Finding the Fourth Proportional to 446,342.28, 615,950.42 and 242,391.76

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Solution

The fourth proportional to 446,342.28, 615,950.42 and 242,391.76 is: 334,499.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,342.28 : 615,950.42 = 242,391.76 : x
  2. Step 2: Convert to fraction form
    446,342.28/615,950.42 = 242,391.76/x
  3. Step 3: Cross multiply
    446,342.28x = 615,950.42 × 242,391.76
  4. Step 4: Simplify right side
    446,342.28x = 149,301,306,376.54
  5. Step 5: Solve for x
    x = 149,301,306,376.54/446,342.28
  6. Step 6: Final answer
    x = 334,499.58

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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.