Home / 289,982.53-434,391.76-147,822.06

Finding the Fourth Proportional to 289,982.53, 434,391.76 and 147,822.06

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Solution

The fourth proportional to 289,982.53, 434,391.76 and 147,822.06 is: 221,436.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,982.53 : 434,391.76 = 147,822.06 : x
  2. Step 2: Convert to fraction form
    289,982.53/434,391.76 = 147,822.06/x
  3. Step 3: Cross multiply
    289,982.53x = 434,391.76 × 147,822.06
  4. Step 4: Simplify right side
    289,982.53x = 64,212,686,623.97
  5. Step 5: Solve for x
    x = 64,212,686,623.97/289,982.53
  6. Step 6: Final answer
    x = 221,436.40

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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.