Home / 258,001.90-387,002.85-174,021.10

Finding the Fourth Proportional to 258,001.90, 387,002.85 and 174,021.10

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Solution

The fourth proportional to 258,001.90, 387,002.85 and 174,021.10 is: 261,031.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,001.90 : 387,002.85 = 174,021.10 : x
  2. Step 2: Convert to fraction form
    258,001.90/387,002.85 = 174,021.10/x
  3. Step 3: Cross multiply
    258,001.90x = 387,002.85 × 174,021.10
  4. Step 4: Simplify right side
    258,001.90x = 67,346,661,660.14
  5. Step 5: Solve for x
    x = 67,346,661,660.14/258,001.90
  6. Step 6: Final answer
    x = 261,031.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.