Home / 274,710.49-412,206.38-130,779.21

Finding the Fourth Proportional to 274,710.49, 412,206.38 and 130,779.21

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Solution

The fourth proportional to 274,710.49, 412,206.38 and 130,779.21 is: 196,235.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,710.49 : 412,206.38 = 130,779.21 : x
  2. Step 2: Convert to fraction form
    274,710.49/412,206.38 = 130,779.21/x
  3. Step 3: Cross multiply
    274,710.49x = 412,206.38 × 130,779.21
  4. Step 4: Simplify right side
    274,710.49x = 53,908,024,733.36
  5. Step 5: Solve for x
    x = 53,908,024,733.36/274,710.49
  6. Step 6: Final answer
    x = 196,235.77

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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.