Home / 285,062.07-426,741.24-172,401.50

Finding the Fourth Proportional to 285,062.07, 426,741.24 and 172,401.50

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Solution

The fourth proportional to 285,062.07, 426,741.24 and 172,401.50 is: 258,087.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,062.07 : 426,741.24 = 172,401.50 : x
  2. Step 2: Convert to fraction form
    285,062.07/426,741.24 = 172,401.50/x
  3. Step 3: Cross multiply
    285,062.07x = 426,741.24 × 172,401.50
  4. Step 4: Simplify right side
    285,062.07x = 73,570,829,887.86
  5. Step 5: Solve for x
    x = 73,570,829,887.86/285,062.07
  6. Step 6: Final answer
    x = 258,087.05

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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.