Home / 258,726.21-357,041.62-145,548.96

Finding the Fourth Proportional to 258,726.21, 357,041.62 and 145,548.96

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Solution

The fourth proportional to 258,726.21, 357,041.62 and 145,548.96 is: 200,857.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,726.21 : 357,041.62 = 145,548.96 : x
  2. Step 2: Convert to fraction form
    258,726.21/357,041.62 = 145,548.96/x
  3. Step 3: Cross multiply
    258,726.21x = 357,041.62 × 145,548.96
  4. Step 4: Simplify right side
    258,726.21x = 51,967,036,103.84
  5. Step 5: Solve for x
    x = 51,967,036,103.84/258,726.21
  6. Step 6: Final answer
    x = 200,857.25

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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.