Home / 345,699.24-518,173.92-176,988.20

Finding the Fourth Proportional to 345,699.24, 518,173.92 and 176,988.20

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Solution

The fourth proportional to 345,699.24, 518,173.92 and 176,988.20 is: 265,290.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,699.24 : 518,173.92 = 176,988.20 : x
  2. Step 2: Convert to fraction form
    345,699.24/518,173.92 = 176,988.20/x
  3. Step 3: Cross multiply
    345,699.24x = 518,173.92 × 176,988.20
  4. Step 4: Simplify right side
    345,699.24x = 91,710,669,387.74
  5. Step 5: Solve for x
    x = 91,710,669,387.74/345,699.24
  6. Step 6: Final answer
    x = 265,290.34

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1.5x scale

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.