Home / 349,316.16-523,535.82-149,401.50

Finding the Fourth Proportional to 349,316.16, 523,535.82 and 149,401.50

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Solution

The fourth proportional to 349,316.16, 523,535.82 and 149,401.50 is: 223,914.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,316.16 : 523,535.82 = 149,401.50 : x
  2. Step 2: Convert to fraction form
    349,316.16/523,535.82 = 149,401.50/x
  3. Step 3: Cross multiply
    349,316.16x = 523,535.82 × 149,401.50
  4. Step 4: Simplify right side
    349,316.16x = 78,217,036,811.73
  5. Step 5: Solve for x
    x = 78,217,036,811.73/349,316.16
  6. Step 6: Final answer
    x = 223,914.74

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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.