Home / 345,525.43-518,314.39-117,750.26

Finding the Fourth Proportional to 345,525.43, 518,314.39 and 117,750.26

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Solution

The fourth proportional to 345,525.43, 518,314.39 and 117,750.26 is: 176,634.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,525.43 : 518,314.39 = 117,750.26 : x
  2. Step 2: Convert to fraction form
    345,525.43/518,314.39 = 117,750.26/x
  3. Step 3: Cross multiply
    345,525.43x = 518,314.39 × 117,750.26
  4. Step 4: Simplify right side
    345,525.43x = 61,031,653,595.49
  5. Step 5: Solve for x
    x = 61,031,653,595.49/345,525.43
  6. Step 6: Final answer
    x = 176,634.33

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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.