Home / 304,106.90-456,574.03-171,080.78

Finding the Fourth Proportional to 304,106.90, 456,574.03 and 171,080.78

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Solution

The fourth proportional to 304,106.90, 456,574.03 and 171,080.78 is: 256,853.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,106.90 : 456,574.03 = 171,080.78 : x
  2. Step 2: Convert to fraction form
    304,106.90/456,574.03 = 171,080.78/x
  3. Step 3: Cross multiply
    304,106.90x = 456,574.03 × 171,080.78
  4. Step 4: Simplify right side
    304,106.90x = 78,111,038,469.57
  5. Step 5: Solve for x
    x = 78,111,038,469.57/304,106.90
  6. Step 6: Final answer
    x = 256,853.89

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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.