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Finding the Fourth Proportional to 222,503.10, 333,787.05 and 72,707.10

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Solution

The fourth proportional to 222,503.10, 333,787.05 and 72,707.10 is: 109,071.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,503.10 : 333,787.05 = 72,707.10 : x
  2. Step 2: Convert to fraction form
    222,503.10/333,787.05 = 72,707.10/x
  3. Step 3: Cross multiply
    222,503.10x = 333,787.05 × 72,707.10
  4. Step 4: Simplify right side
    222,503.10x = 24,268,688,423.06
  5. Step 5: Solve for x
    x = 24,268,688,423.06/222,503.10
  6. Step 6: Final answer
    x = 109,071.24

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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.