Home / 228,215.80-314,913.56-126,225.06

Finding the Fourth Proportional to 228,215.80, 314,913.56 and 126,225.06

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Solution

The fourth proportional to 228,215.80, 314,913.56 and 126,225.06 is: 174,177.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,215.80 : 314,913.56 = 126,225.06 : x
  2. Step 2: Convert to fraction form
    228,215.80/314,913.56 = 126,225.06/x
  3. Step 3: Cross multiply
    228,215.80x = 314,913.56 × 126,225.06
  4. Step 4: Simplify right side
    228,215.80x = 39,749,983,005.81
  5. Step 5: Solve for x
    x = 39,749,983,005.81/228,215.80
  6. Step 6: Final answer
    x = 174,177.17

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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.