Home / 380,308.19-569,621.37-260,080.22

Finding the Fourth Proportional to 380,308.19, 569,621.37 and 260,080.22

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Solution

The fourth proportional to 380,308.19, 569,621.37 and 260,080.22 is: 389,545.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,308.19 : 569,621.37 = 260,080.22 : x
  2. Step 2: Convert to fraction form
    380,308.19/569,621.37 = 260,080.22/x
  3. Step 3: Cross multiply
    380,308.19x = 569,621.37 × 260,080.22
  4. Step 4: Simplify right side
    380,308.19x = 148,147,251,226.30
  5. Step 5: Solve for x
    x = 148,147,251,226.30/380,308.19
  6. Step 6: Final answer
    x = 389,545.26

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1.5x scale

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.