Home / 228,840.36-315,807.16-126,875.30

Finding the Fourth Proportional to 228,840.36, 315,807.16 and 126,875.30

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Solution

The fourth proportional to 228,840.36, 315,807.16 and 126,875.30 is: 175,092.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,840.36 : 315,807.16 = 126,875.30 : x
  2. Step 2: Convert to fraction form
    228,840.36/315,807.16 = 126,875.30/x
  3. Step 3: Cross multiply
    228,840.36x = 315,807.16 × 126,875.30
  4. Step 4: Simplify right side
    228,840.36x = 40,068,128,528.13
  5. Step 5: Solve for x
    x = 40,068,128,528.13/228,840.36
  6. Step 6: Final answer
    x = 175,092.05

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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.