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Finding the Fourth Proportional to 247,320.40, 370,596.93 and 171,566.86

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Solution

The fourth proportional to 247,320.40, 370,596.93 and 171,566.86 is: 257,084.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,320.40 : 370,596.93 = 171,566.86 : x
  2. Step 2: Convert to fraction form
    247,320.40/370,596.93 = 171,566.86/x
  3. Step 3: Cross multiply
    247,320.40x = 370,596.93 × 171,566.86
  4. Step 4: Simplify right side
    247,320.40x = 63,582,151,605.74
  5. Step 5: Solve for x
    x = 63,582,151,605.74/247,320.40
  6. Step 6: Final answer
    x = 257,084.14

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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.