Home / 345,019.50-517,594.59-120,444.03

Finding the Fourth Proportional to 345,019.50, 517,594.59 and 120,444.03

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Solution

The fourth proportional to 345,019.50, 517,594.59 and 120,444.03 is: 180,688.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,019.50 : 517,594.59 = 120,444.03 : x
  2. Step 2: Convert to fraction form
    345,019.50/517,594.59 = 120,444.03/x
  3. Step 3: Cross multiply
    345,019.50x = 517,594.59 × 120,444.03
  4. Step 4: Simplify right side
    345,019.50x = 62,341,178,325.80
  5. Step 5: Solve for x
    x = 62,341,178,325.80/345,019.50
  6. Step 6: Final answer
    x = 180,688.85

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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.