Home / 380,206.80-569,849.40-169,621.20

Finding the Fourth Proportional to 380,206.80, 569,849.40 and 169,621.20

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Solution

The fourth proportional to 380,206.80, 569,849.40 and 169,621.20 is: 254,226.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,206.80 : 569,849.40 = 169,621.20 : x
  2. Step 2: Convert to fraction form
    380,206.80/569,849.40 = 169,621.20/x
  3. Step 3: Cross multiply
    380,206.80x = 569,849.40 × 169,621.20
  4. Step 4: Simplify right side
    380,206.80x = 96,658,539,047.28
  5. Step 5: Solve for x
    x = 96,658,539,047.28/380,206.80
  6. Step 6: Final answer
    x = 254,226.22

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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.