Home / 228,913.74-315,901.65-126,946.44

Finding the Fourth Proportional to 228,913.74, 315,901.65 and 126,946.44

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Solution

The fourth proportional to 228,913.74, 315,901.65 and 126,946.44 is: 175,186.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,913.74 : 315,901.65 = 126,946.44 : x
  2. Step 2: Convert to fraction form
    228,913.74/315,901.65 = 126,946.44/x
  3. Step 3: Cross multiply
    228,913.74x = 315,901.65 × 126,946.44
  4. Step 4: Simplify right side
    228,913.74x = 40,102,589,857.63
  5. Step 5: Solve for x
    x = 40,102,589,857.63/228,913.74
  6. Step 6: Final answer
    x = 175,186.47

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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.