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Finding the Fourth Proportional to 342,501.99, 513,625.55 and 117,799.35

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Solution

The fourth proportional to 342,501.99, 513,625.55 and 117,799.35 is: 176,655.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,501.99 : 513,625.55 = 117,799.35 : x
  2. Step 2: Convert to fraction form
    342,501.99/513,625.55 = 117,799.35/x
  3. Step 3: Cross multiply
    342,501.99x = 513,625.55 × 117,799.35
  4. Step 4: Simplify right side
    342,501.99x = 60,504,755,344.40
  5. Step 5: Solve for x
    x = 60,504,755,344.40/342,501.99
  6. Step 6: Final answer
    x = 176,655.19

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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.