Home / 282,640.60-423,912.30-105,056.20

Finding the Fourth Proportional to 282,640.60, 423,912.30 and 105,056.20

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Solution

The fourth proportional to 282,640.60, 423,912.30 and 105,056.20 is: 157,566.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,640.60 : 423,912.30 = 105,056.20 : x
  2. Step 2: Convert to fraction form
    282,640.60/423,912.30 = 105,056.20/x
  3. Step 3: Cross multiply
    282,640.60x = 423,912.30 × 105,056.20
  4. Step 4: Simplify right side
    282,640.60x = 44,534,615,371.26
  5. Step 5: Solve for x
    x = 44,534,615,371.26/282,640.60
  6. Step 6: Final answer
    x = 157,566.24

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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.