Home / 258,942.76-357,347.62-145,769.48

Finding the Fourth Proportional to 258,942.76, 357,347.62 and 145,769.48

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Solution

The fourth proportional to 258,942.76, 357,347.62 and 145,769.48 is: 201,165.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,942.76 : 357,347.62 = 145,769.48 : x
  2. Step 2: Convert to fraction form
    258,942.76/357,347.62 = 145,769.48/x
  3. Step 3: Cross multiply
    258,942.76x = 357,347.62 × 145,769.48
  4. Step 4: Simplify right side
    258,942.76x = 52,090,376,746.64
  5. Step 5: Solve for x
    x = 52,090,376,746.64/258,942.76
  6. Step 6: Final answer
    x = 201,165.60

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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.