Home / 285,629.14-425,890.07-277,782.10

Finding the Fourth Proportional to 285,629.14, 425,890.07 and 277,782.10

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Solution

The fourth proportional to 285,629.14, 425,890.07 and 277,782.10 is: 414,189.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,629.14 : 425,890.07 = 277,782.10 : x
  2. Step 2: Convert to fraction form
    285,629.14/425,890.07 = 277,782.10/x
  3. Step 3: Cross multiply
    285,629.14x = 425,890.07 × 277,782.10
  4. Step 4: Simplify right side
    285,629.14x = 118,304,638,013.75
  5. Step 5: Solve for x
    x = 118,304,638,013.75/285,629.14
  6. Step 6: Final answer
    x = 414,189.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.