Home / 294,009.28-405,720.84-173,155.60

Finding the Fourth Proportional to 294,009.28, 405,720.84 and 173,155.60

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Solution

The fourth proportional to 294,009.28, 405,720.84 and 173,155.60 is: 238,947.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,009.28 : 405,720.84 = 173,155.60 : x
  2. Step 2: Convert to fraction form
    294,009.28/405,720.84 = 173,155.60/x
  3. Step 3: Cross multiply
    294,009.28x = 405,720.84 × 173,155.60
  4. Step 4: Simplify right side
    294,009.28x = 70,252,835,482.70
  5. Step 5: Solve for x
    x = 70,252,835,482.70/294,009.28
  6. Step 6: Final answer
    x = 238,947.68

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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.