Home / 317,817.28-438,462.48-204,705.64

Finding the Fourth Proportional to 317,817.28, 438,462.48 and 204,705.64

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Solution

The fourth proportional to 317,817.28, 438,462.48 and 204,705.64 is: 282,413.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,817.28 : 438,462.48 = 204,705.64 : x
  2. Step 2: Convert to fraction form
    317,817.28/438,462.48 = 204,705.64/x
  3. Step 3: Cross multiply
    317,817.28x = 438,462.48 × 204,705.64
  4. Step 4: Simplify right side
    317,817.28x = 89,755,742,584.39
  5. Step 5: Solve for x
    x = 89,755,742,584.39/317,817.28
  6. Step 6: Final answer
    x = 282,413.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.