Home / 221,746.40-332,619.60-155,261.60

Finding the Fourth Proportional to 221,746.40, 332,619.60 and 155,261.60

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Solution

The fourth proportional to 221,746.40, 332,619.60 and 155,261.60 is: 232,892.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,746.40 : 332,619.60 = 155,261.60 : x
  2. Step 2: Convert to fraction form
    221,746.40/332,619.60 = 155,261.60/x
  3. Step 3: Cross multiply
    221,746.40x = 332,619.60 × 155,261.60
  4. Step 4: Simplify right side
    221,746.40x = 51,643,051,287.36
  5. Step 5: Solve for x
    x = 51,643,051,287.36/221,746.40
  6. Step 6: Final answer
    x = 232,892.40

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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.