Home / 476,134.20-657,064.29-258,342.81

Finding the Fourth Proportional to 476,134.20, 657,064.29 and 258,342.81

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Solution

The fourth proportional to 476,134.20, 657,064.29 and 258,342.81 is: 356,512.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,134.20 : 657,064.29 = 258,342.81 : x
  2. Step 2: Convert to fraction form
    476,134.20/657,064.29 = 258,342.81/x
  3. Step 3: Cross multiply
    476,134.20x = 657,064.29 × 258,342.81
  4. Step 4: Simplify right side
    476,134.20x = 169,747,835,029.26
  5. Step 5: Solve for x
    x = 169,747,835,029.26/476,134.20
  6. Step 6: Final answer
    x = 356,512.59

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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.