Home / 226,290.96-312,246.84-130,779.24

Finding the Fourth Proportional to 226,290.96, 312,246.84 and 130,779.24

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Solution

The fourth proportional to 226,290.96, 312,246.84 and 130,779.24 is: 180,455.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,290.96 : 312,246.84 = 130,779.24 : x
  2. Step 2: Convert to fraction form
    226,290.96/312,246.84 = 130,779.24/x
  3. Step 3: Cross multiply
    226,290.96x = 312,246.84 × 130,779.24
  4. Step 4: Simplify right side
    226,290.96x = 40,835,404,427.60
  5. Step 5: Solve for x
    x = 40,835,404,427.60/226,290.96
  6. Step 6: Final answer
    x = 180,455.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.