Home / 345,700.35-518,431.73-168,092.91

Finding the Fourth Proportional to 345,700.35, 518,431.73 and 168,092.91

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Solution

The fourth proportional to 345,700.35, 518,431.73 and 168,092.91 is: 252,081.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,700.35 : 518,431.73 = 168,092.91 : x
  2. Step 2: Convert to fraction form
    345,700.35/518,431.73 = 168,092.91/x
  3. Step 3: Cross multiply
    345,700.35x = 518,431.73 × 168,092.91
  4. Step 4: Simplify right side
    345,700.35x = 87,144,697,291.57
  5. Step 5: Solve for x
    x = 87,144,697,291.57/345,700.35
  6. Step 6: Final answer
    x = 252,081.60

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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.