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Finding the Fourth Proportional to 160,212.10, 240,318.15 and 160,212.10

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Solution

The fourth proportional to 160,212.10, 240,318.15 and 160,212.10 is: 240,318.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,212.10 : 240,318.15 = 160,212.10 : x
  2. Step 2: Convert to fraction form
    160,212.10/240,318.15 = 160,212.10/x
  3. Step 3: Cross multiply
    160,212.10x = 240,318.15 × 160,212.10
  4. Step 4: Simplify right side
    160,212.10x = 38,501,875,479.62
  5. Step 5: Solve for x
    x = 38,501,875,479.62/160,212.10
  6. Step 6: Final answer
    x = 240,318.15

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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.