Home / 289,782.46-434,627.04-79,371.19

Finding the Fourth Proportional to 289,782.46, 434,627.04 and 79,371.19

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Solution

The fourth proportional to 289,782.46, 434,627.04 and 79,371.19 is: 119,044.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,782.46 : 434,627.04 = 79,371.19 : x
  2. Step 2: Convert to fraction form
    289,782.46/434,627.04 = 79,371.19/x
  3. Step 3: Cross multiply
    289,782.46x = 434,627.04 × 79,371.19
  4. Step 4: Simplify right side
    289,782.46x = 34,496,863,197.84
  5. Step 5: Solve for x
    x = 34,496,863,197.84/289,782.46
  6. Step 6: Final answer
    x = 119,044.00

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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.