Home / 387,578.02-534,734.38-234,567.40

Finding the Fourth Proportional to 387,578.02, 534,734.38 and 234,567.40

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Solution

The fourth proportional to 387,578.02, 534,734.38 and 234,567.40 is: 323,628.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,578.02 : 534,734.38 = 234,567.40 : x
  2. Step 2: Convert to fraction form
    387,578.02/534,734.38 = 234,567.40/x
  3. Step 3: Cross multiply
    387,578.02x = 534,734.38 × 234,567.40
  4. Step 4: Simplify right side
    387,578.02x = 125,431,253,207.21
  5. Step 5: Solve for x
    x = 125,431,253,207.21/387,578.02
  6. Step 6: Final answer
    x = 323,628.40

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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.