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Finding the Fourth Proportional to 306,303.06, 459,154.62 and 171,432.98

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Solution

The fourth proportional to 306,303.06, 459,154.62 and 171,432.98 is: 256,981.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,303.06 : 459,154.62 = 171,432.98 : x
  2. Step 2: Convert to fraction form
    306,303.06/459,154.62 = 171,432.98/x
  3. Step 3: Cross multiply
    306,303.06x = 459,154.62 × 171,432.98
  4. Step 4: Simplify right side
    306,303.06x = 78,714,244,787.37
  5. Step 5: Solve for x
    x = 78,714,244,787.37/306,303.06
  6. Step 6: Final answer
    x = 256,981.58

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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.