Home / 228,211.10-342,316.65-103,552.10

Finding the Fourth Proportional to 228,211.10, 342,316.65 and 103,552.10

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Solution

The fourth proportional to 228,211.10, 342,316.65 and 103,552.10 is: 155,328.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,211.10 : 342,316.65 = 103,552.10 : x
  2. Step 2: Convert to fraction form
    228,211.10/342,316.65 = 103,552.10/x
  3. Step 3: Cross multiply
    228,211.10x = 342,316.65 × 103,552.10
  4. Step 4: Simplify right side
    228,211.10x = 35,447,607,972.47
  5. Step 5: Solve for x
    x = 35,447,607,972.47/228,211.10
  6. Step 6: Final answer
    x = 155,328.15

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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.