Home / 427,166.34-589,475.12-245,853.11

Finding the Fourth Proportional to 427,166.34, 589,475.12 and 245,853.11

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Solution

The fourth proportional to 427,166.34, 589,475.12 and 245,853.11 is: 339,268.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,166.34 : 589,475.12 = 245,853.11 : x
  2. Step 2: Convert to fraction form
    427,166.34/589,475.12 = 245,853.11/x
  3. Step 3: Cross multiply
    427,166.34x = 589,475.12 × 245,853.11
  4. Step 4: Simplify right side
    427,166.34x = 144,924,287,342.98
  5. Step 5: Solve for x
    x = 144,924,287,342.98/427,166.34
  6. Step 6: Final answer
    x = 339,268.98

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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.