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Finding the Fourth Proportional to 570,251, 855,376.50 and 176,267

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Solution

The fourth proportional to 570,251, 855,376.50 and 176,267 is: 264,400.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,251 : 855,376.50 = 176,267 : x
  2. Step 2: Convert to fraction form
    570,251/855,376.50 = 176,267/x
  3. Step 3: Cross multiply
    570,251x = 855,376.50 × 176,267
  4. Step 4: Simplify right side
    570,251x = 150,774,649,525.50
  5. Step 5: Solve for x
    x = 150,774,649,525.50/570,251
  6. Step 6: Final answer
    x = 264,400.50

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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.