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Finding the Fourth Proportional to 253,432.79, 349,599.30 and 162,803

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Solution

The fourth proportional to 253,432.79, 349,599.30 and 162,803 is: 224,579.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,432.79 : 349,599.30 = 162,803 : x
  2. Step 2: Convert to fraction form
    253,432.79/349,599.30 = 162,803/x
  3. Step 3: Cross multiply
    253,432.79x = 349,599.30 × 162,803
  4. Step 4: Simplify right side
    253,432.79x = 56,915,814,837.90
  5. Step 5: Solve for x
    x = 56,915,814,837.90/253,432.79
  6. Step 6: Final answer
    x = 224,579.52

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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.