Home / 347,664.40-521,285.40-137,059.60

Finding the Fourth Proportional to 347,664.40, 521,285.40 and 137,059.60

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Solution

The fourth proportional to 347,664.40, 521,285.40 and 137,059.60 is: 205,506.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,664.40 : 521,285.40 = 137,059.60 : x
  2. Step 2: Convert to fraction form
    347,664.40/521,285.40 = 137,059.60/x
  3. Step 3: Cross multiply
    347,664.40x = 521,285.40 × 137,059.60
  4. Step 4: Simplify right side
    347,664.40x = 71,447,168,409.84
  5. Step 5: Solve for x
    x = 71,447,168,409.84/347,664.40
  6. Step 6: Final answer
    x = 205,506.14

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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.