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Finding the Fourth Proportional to 268,893, 403,364.88 and 79,354.08

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Solution

The fourth proportional to 268,893, 403,364.88 and 79,354.08 is: 119,038.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,893 : 403,364.88 = 79,354.08 : x
  2. Step 2: Convert to fraction form
    268,893/403,364.88 = 79,354.08/x
  3. Step 3: Cross multiply
    268,893x = 403,364.88 × 79,354.08
  4. Step 4: Simplify right side
    268,893x = 32,008,648,956.71
  5. Step 5: Solve for x
    x = 32,008,648,956.71/268,893
  6. Step 6: Final answer
    x = 119,038.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.