Home / 380,036.80-569,679.20-180,005.60

Finding the Fourth Proportional to 380,036.80, 569,679.20 and 180,005.60

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Solution

The fourth proportional to 380,036.80, 569,679.20 and 180,005.60 is: 269,830.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,036.80 : 569,679.20 = 180,005.60 : x
  2. Step 2: Convert to fraction form
    380,036.80/569,679.20 = 180,005.60/x
  3. Step 3: Cross multiply
    380,036.80x = 569,679.20 × 180,005.60
  4. Step 4: Simplify right side
    380,036.80x = 102,545,446,203.52
  5. Step 5: Solve for x
    x = 102,545,446,203.52/380,036.80
  6. Step 6: Final answer
    x = 269,830.31

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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.