Home / 387,267.95-534,342.43-234,302.34

Finding the Fourth Proportional to 387,267.95, 534,342.43 and 234,302.34

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Solution

The fourth proportional to 387,267.95, 534,342.43 and 234,302.34 is: 323,284.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,267.95 : 534,342.43 = 234,302.34 : x
  2. Step 2: Convert to fraction form
    387,267.95/534,342.43 = 234,302.34/x
  3. Step 3: Cross multiply
    387,267.95x = 534,342.43 × 234,302.34
  4. Step 4: Simplify right side
    387,267.95x = 125,197,681,124.53
  5. Step 5: Solve for x
    x = 125,197,681,124.53/387,267.95
  6. Step 6: Final answer
    x = 323,284.38

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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.