Home / 328,222.52-492,333.89-103,605.66

Finding the Fourth Proportional to 328,222.52, 492,333.89 and 103,605.66

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Solution

The fourth proportional to 328,222.52, 492,333.89 and 103,605.66 is: 155,408.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,222.52 : 492,333.89 = 103,605.66 : x
  2. Step 2: Convert to fraction form
    328,222.52/492,333.89 = 103,605.66/x
  3. Step 3: Cross multiply
    328,222.52x = 492,333.89 × 103,605.66
  4. Step 4: Simplify right side
    328,222.52x = 51,008,577,095.79
  5. Step 5: Solve for x
    x = 51,008,577,095.79/328,222.52
  6. Step 6: Final answer
    x = 155,408.53

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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.