Home / 279,329.96-385,467.62-152,002.60

Finding the Fourth Proportional to 279,329.96, 385,467.62 and 152,002.60

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Solution

The fourth proportional to 279,329.96, 385,467.62 and 152,002.60 is: 209,759.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,329.96 : 385,467.62 = 152,002.60 : x
  2. Step 2: Convert to fraction form
    279,329.96/385,467.62 = 152,002.60/x
  3. Step 3: Cross multiply
    279,329.96x = 385,467.62 × 152,002.60
  4. Step 4: Simplify right side
    279,329.96x = 58,592,080,455.81
  5. Step 5: Solve for x
    x = 58,592,080,455.81/279,329.96
  6. Step 6: Final answer
    x = 209,759.38

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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.