Home / 228,211.02-342,312.27-68,287.05

Finding the Fourth Proportional to 228,211.02, 342,312.27 and 68,287.05

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Solution

The fourth proportional to 228,211.02, 342,312.27 and 68,287.05 is: 102,429.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,211.02 : 342,312.27 = 68,287.05 : x
  2. Step 2: Convert to fraction form
    228,211.02/342,312.27 = 68,287.05/x
  3. Step 3: Cross multiply
    228,211.02x = 342,312.27 × 68,287.05
  4. Step 4: Simplify right side
    228,211.02x = 23,375,495,097.10
  5. Step 5: Solve for x
    x = 23,375,495,097.10/228,211.02
  6. Step 6: Final answer
    x = 102,429.30

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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.