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Finding the Fourth Proportional to 425,028, 586,538.64 and 234,040.98

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Solution

The fourth proportional to 425,028, 586,538.64 and 234,040.98 is: 322,976.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,028 : 586,538.64 = 234,040.98 : x
  2. Step 2: Convert to fraction form
    425,028/586,538.64 = 234,040.98/x
  3. Step 3: Cross multiply
    425,028x = 586,538.64 × 234,040.98
  4. Step 4: Simplify right side
    425,028x = 137,274,078,113.47
  5. Step 5: Solve for x
    x = 137,274,078,113.47/425,028
  6. Step 6: Final answer
    x = 322,976.55

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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.