Home / 275,865.83-380,869.13-180,533.69

Finding the Fourth Proportional to 275,865.83, 380,869.13 and 180,533.69

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Solution

The fourth proportional to 275,865.83, 380,869.13 and 180,533.69 is: 249,250.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,865.83 : 380,869.13 = 180,533.69 : x
  2. Step 2: Convert to fraction form
    275,865.83/380,869.13 = 180,533.69/x
  3. Step 3: Cross multiply
    275,865.83x = 380,869.13 × 180,533.69
  4. Step 4: Simplify right side
    275,865.83x = 68,759,709,445.99
  5. Step 5: Solve for x
    x = 68,759,709,445.99/275,865.83
  6. Step 6: Final answer
    x = 249,250.55

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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.