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Finding the Fourth Proportional to 243,173.38, 364,888.50 and 172,552.36

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Solution

The fourth proportional to 243,173.38, 364,888.50 and 172,552.36 is: 258,919.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,173.38 : 364,888.50 = 172,552.36 : x
  2. Step 2: Convert to fraction form
    243,173.38/364,888.50 = 172,552.36/x
  3. Step 3: Cross multiply
    243,173.38x = 364,888.50 × 172,552.36
  4. Step 4: Simplify right side
    243,173.38x = 62,962,371,811.86
  5. Step 5: Solve for x
    x = 62,962,371,811.86/243,173.38
  6. Step 6: Final answer
    x = 258,919.67

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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.