Home / 427,091.40-589,445.10-245,799.90

Finding the Fourth Proportional to 427,091.40, 589,445.10 and 245,799.90

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Solution

The fourth proportional to 427,091.40, 589,445.10 and 245,799.90 is: 339,237.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,091.40 : 589,445.10 = 245,799.90 : x
  2. Step 2: Convert to fraction form
    427,091.40/589,445.10 = 245,799.90/x
  3. Step 3: Cross multiply
    427,091.40x = 589,445.10 × 245,799.90
  4. Step 4: Simplify right side
    427,091.40x = 144,885,546,635.49
  5. Step 5: Solve for x
    x = 144,885,546,635.49/427,091.40
  6. Step 6: Final answer
    x = 339,237.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.