Home / 278,120.70-383,804.46-150,795.36

Finding the Fourth Proportional to 278,120.70, 383,804.46 and 150,795.36

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Solution

The fourth proportional to 278,120.70, 383,804.46 and 150,795.36 is: 208,096.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,120.70 : 383,804.46 = 150,795.36 : x
  2. Step 2: Convert to fraction form
    278,120.70/383,804.46 = 150,795.36/x
  3. Step 3: Cross multiply
    278,120.70x = 383,804.46 × 150,795.36
  4. Step 4: Simplify right side
    278,120.70x = 57,875,931,715.31
  5. Step 5: Solve for x
    x = 57,875,931,715.31/278,120.70
  6. Step 6: Final answer
    x = 208,096.45

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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.