Home / 345,977.60-518,966.40-227,782.40

Finding the Fourth Proportional to 345,977.60, 518,966.40 and 227,782.40

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Solution

The fourth proportional to 345,977.60, 518,966.40 and 227,782.40 is: 341,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,977.60 : 518,966.40 = 227,782.40 : x
  2. Step 2: Convert to fraction form
    345,977.60/518,966.40 = 227,782.40/x
  3. Step 3: Cross multiply
    345,977.60x = 518,966.40 × 227,782.40
  4. Step 4: Simplify right side
    345,977.60x = 118,211,412,111.36
  5. Step 5: Solve for x
    x = 118,211,412,111.36/345,977.60
  6. Step 6: Final answer
    x = 341,673.60

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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.