Home / 228,746.01-315,669.50-126,786.79

Finding the Fourth Proportional to 228,746.01, 315,669.50 and 126,786.79

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Solution

The fourth proportional to 228,746.01, 315,669.50 and 126,786.79 is: 174,965.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,746.01 : 315,669.50 = 126,786.79 : x
  2. Step 2: Convert to fraction form
    228,746.01/315,669.50 = 126,786.79/x
  3. Step 3: Cross multiply
    228,746.01x = 315,669.50 × 126,786.79
  4. Step 4: Simplify right side
    228,746.01x = 40,022,722,605.91
  5. Step 5: Solve for x
    x = 40,022,722,605.91/228,746.01
  6. Step 6: Final answer
    x = 174,965.77

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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.