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Finding the Fourth Proportional to 429,809.76, 592,985.88 and 245,914

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Solution

The fourth proportional to 429,809.76, 592,985.88 and 245,914 is: 339,274.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,809.76 : 592,985.88 = 245,914 : x
  2. Step 2: Convert to fraction form
    429,809.76/592,985.88 = 245,914/x
  3. Step 3: Cross multiply
    429,809.76x = 592,985.88 × 245,914
  4. Step 4: Simplify right side
    429,809.76x = 145,823,529,694.32
  5. Step 5: Solve for x
    x = 145,823,529,694.32/429,809.76
  6. Step 6: Final answer
    x = 339,274.59

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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.