Home / 304,610.28-457,069.02-171,638.76

Finding the Fourth Proportional to 304,610.28, 457,069.02 and 171,638.76

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Solution

The fourth proportional to 304,610.28, 457,069.02 and 171,638.76 is: 257,544.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,610.28 : 457,069.02 = 171,638.76 : x
  2. Step 2: Convert to fraction form
    304,610.28/457,069.02 = 171,638.76/x
  3. Step 3: Cross multiply
    304,610.28x = 457,069.02 × 171,638.76
  4. Step 4: Simplify right side
    304,610.28x = 78,450,759,827.22
  5. Step 5: Solve for x
    x = 78,450,759,827.22/304,610.28
  6. Step 6: Final answer
    x = 257,544.69

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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.