Home / 228,048.24-314,671.28-127,426.80

Finding the Fourth Proportional to 228,048.24, 314,671.28 and 127,426.80

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Solution

The fourth proportional to 228,048.24, 314,671.28 and 127,426.80 is: 175,829.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,048.24 : 314,671.28 = 127,426.80 : x
  2. Step 2: Convert to fraction form
    228,048.24/314,671.28 = 127,426.80/x
  3. Step 3: Cross multiply
    228,048.24x = 314,671.28 × 127,426.80
  4. Step 4: Simplify right side
    228,048.24x = 40,097,554,262.30
  5. Step 5: Solve for x
    x = 40,097,554,262.30/228,048.24
  6. Step 6: Final answer
    x = 175,829.26

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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.