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Finding the Fourth Proportional to 429,953.52, 593,308.44 and 238,955.28

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Solution

The fourth proportional to 429,953.52, 593,308.44 and 238,955.28 is: 329,743.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,953.52 : 593,308.44 = 238,955.28 : x
  2. Step 2: Convert to fraction form
    429,953.52/593,308.44 = 238,955.28/x
  3. Step 3: Cross multiply
    429,953.52x = 593,308.44 × 238,955.28
  4. Step 4: Simplify right side
    429,953.52x = 141,774,184,406.56
  5. Step 5: Solve for x
    x = 141,774,184,406.56/429,953.52
  6. Step 6: Final answer
    x = 329,743.05

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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.