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Finding the Fourth Proportional to 345,003.52, 517,341.39 and 120,336.67

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Solution

The fourth proportional to 345,003.52, 517,341.39 and 120,336.67 is: 180,447.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,003.52 : 517,341.39 = 120,336.67 : x
  2. Step 2: Convert to fraction form
    345,003.52/517,341.39 = 120,336.67/x
  3. Step 3: Cross multiply
    345,003.52x = 517,341.39 × 120,336.67
  4. Step 4: Simplify right side
    345,003.52x = 62,255,140,125.77
  5. Step 5: Solve for x
    x = 62,255,140,125.77/345,003.52
  6. Step 6: Final answer
    x = 180,447.84

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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.