Home / 228,215.10-342,322.65-103,556.10

Finding the Fourth Proportional to 228,215.10, 342,322.65 and 103,556.10

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Solution

The fourth proportional to 228,215.10, 342,322.65 and 103,556.10 is: 155,334.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,215.10 : 342,322.65 = 103,556.10 : x
  2. Step 2: Convert to fraction form
    228,215.10/342,322.65 = 103,556.10/x
  3. Step 3: Cross multiply
    228,215.10x = 342,322.65 × 103,556.10
  4. Step 4: Simplify right side
    228,215.10x = 35,449,598,575.67
  5. Step 5: Solve for x
    x = 35,449,598,575.67/228,215.10
  6. Step 6: Final answer
    x = 155,334.15

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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.