Home / 309,110.80-463,973.40-151,517.20

Finding the Fourth Proportional to 309,110.80, 463,973.40 and 151,517.20

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Solution

The fourth proportional to 309,110.80, 463,973.40 and 151,517.20 is: 227,426.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,110.80 : 463,973.40 = 151,517.20 : x
  2. Step 2: Convert to fraction form
    309,110.80/463,973.40 = 151,517.20/x
  3. Step 3: Cross multiply
    309,110.80x = 463,973.40 × 151,517.20
  4. Step 4: Simplify right side
    309,110.80x = 70,299,950,442.48
  5. Step 5: Solve for x
    x = 70,299,950,442.48/309,110.80
  6. Step 6: Final answer
    x = 227,426.38

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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.