Home / 307,004.89-458,348.71-234,578.75

Finding the Fourth Proportional to 307,004.89, 458,348.71 and 234,578.75

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Solution

The fourth proportional to 307,004.89, 458,348.71 and 234,578.75 is: 350,218.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,004.89 : 458,348.71 = 234,578.75 : x
  2. Step 2: Convert to fraction form
    307,004.89/458,348.71 = 234,578.75/x
  3. Step 3: Cross multiply
    307,004.89x = 458,348.71 × 234,578.75
  4. Step 4: Simplify right side
    307,004.89x = 107,518,865,886.72
  5. Step 5: Solve for x
    x = 107,518,865,886.72/307,004.89
  6. Step 6: Final answer
    x = 350,218.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.