Home / 228,468.07-315,275.64-126,486.37

Finding the Fourth Proportional to 228,468.07, 315,275.64 and 126,486.37

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Solution

The fourth proportional to 228,468.07, 315,275.64 and 126,486.37 is: 174,545.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,468.07 : 315,275.64 = 126,486.37 : x
  2. Step 2: Convert to fraction form
    228,468.07/315,275.64 = 126,486.37/x
  3. Step 3: Cross multiply
    228,468.07x = 315,275.64 × 126,486.37
  4. Step 4: Simplify right side
    228,468.07x = 39,878,069,676.65
  5. Step 5: Solve for x
    x = 39,878,069,676.65/228,468.07
  6. Step 6: Final answer
    x = 174,545.49

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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.