Home / 258,984.43-357,404.67-144,270.81

Finding the Fourth Proportional to 258,984.43, 357,404.67 and 144,270.81

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Solution

The fourth proportional to 258,984.43, 357,404.67 and 144,270.81 is: 199,097.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,984.43 : 357,404.67 = 144,270.81 : x
  2. Step 2: Convert to fraction form
    258,984.43/357,404.67 = 144,270.81/x
  3. Step 3: Cross multiply
    258,984.43x = 357,404.67 × 144,270.81
  4. Step 4: Simplify right side
    258,984.43x = 51,563,060,127.44
  5. Step 5: Solve for x
    x = 51,563,060,127.44/258,984.43
  6. Step 6: Final answer
    x = 199,097.15

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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.