Home / 305,006.21-457,570.52-105,333.92

Finding the Fourth Proportional to 305,006.21, 457,570.52 and 105,333.92

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Solution

The fourth proportional to 305,006.21, 457,570.52 and 105,333.92 is: 158,022.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,006.21 : 457,570.52 = 105,333.92 : x
  2. Step 2: Convert to fraction form
    305,006.21/457,570.52 = 105,333.92/x
  3. Step 3: Cross multiply
    305,006.21x = 457,570.52 × 105,333.92
  4. Step 4: Simplify right side
    305,006.21x = 48,197,696,548.04
  5. Step 5: Solve for x
    x = 48,197,696,548.04/305,006.21
  6. Step 6: Final answer
    x = 158,022.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.