Home / 228,410.42-315,202.55-126,433.68

Finding the Fourth Proportional to 228,410.42, 315,202.55 and 126,433.68

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Solution

The fourth proportional to 228,410.42, 315,202.55 and 126,433.68 is: 174,476.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,410.42 : 315,202.55 = 126,433.68 : x
  2. Step 2: Convert to fraction form
    228,410.42/315,202.55 = 126,433.68/x
  3. Step 3: Cross multiply
    228,410.42x = 315,202.55 × 126,433.68
  4. Step 4: Simplify right side
    228,410.42x = 39,852,218,341.88
  5. Step 5: Solve for x
    x = 39,852,218,341.88/228,410.42
  6. Step 6: Final answer
    x = 174,476.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.