Home / 278,242.84-383,975.67-150,918.94

Finding the Fourth Proportional to 278,242.84, 383,975.67 and 150,918.94

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Solution

The fourth proportional to 278,242.84, 383,975.67 and 150,918.94 is: 208,268.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,242.84 : 383,975.67 = 150,918.94 : x
  2. Step 2: Convert to fraction form
    278,242.84/383,975.67 = 150,918.94/x
  3. Step 3: Cross multiply
    278,242.84x = 383,975.67 × 150,918.94
  4. Step 4: Simplify right side
    278,242.84x = 57,949,201,102.19
  5. Step 5: Solve for x
    x = 57,949,201,102.19/278,242.84
  6. Step 6: Final answer
    x = 208,268.44

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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.