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Finding the Fourth Proportional to 329,888.79, 494,590.95 and 105,119.91

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Solution

The fourth proportional to 329,888.79, 494,590.95 and 105,119.91 is: 157,602.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,888.79 : 494,590.95 = 105,119.91 : x
  2. Step 2: Convert to fraction form
    329,888.79/494,590.95 = 105,119.91/x
  3. Step 3: Cross multiply
    329,888.79x = 494,590.95 × 105,119.91
  4. Step 4: Simplify right side
    329,888.79x = 51,991,356,150.81
  5. Step 5: Solve for x
    x = 51,991,356,150.81/329,888.79
  6. Step 6: Final answer
    x = 157,602.68

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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.