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Finding the Fourth Proportional to 303,234.45, 454,482.71 and 214,513.53

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Solution

The fourth proportional to 303,234.45, 454,482.71 and 214,513.53 is: 321,509.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,234.45 : 454,482.71 = 214,513.53 : x
  2. Step 2: Convert to fraction form
    303,234.45/454,482.71 = 214,513.53/x
  3. Step 3: Cross multiply
    303,234.45x = 454,482.71 × 214,513.53
  4. Step 4: Simplify right side
    303,234.45x = 97,492,688,473.61
  5. Step 5: Solve for x
    x = 97,492,688,473.61/303,234.45
  6. Step 6: Final answer
    x = 321,509.28

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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.