Home / 338,612.48-507,473.04-188,923.20

Finding the Fourth Proportional to 338,612.48, 507,473.04 and 188,923.20

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Solution

The fourth proportional to 338,612.48, 507,473.04 and 188,923.20 is: 283,136.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,612.48 : 507,473.04 = 188,923.20 : x
  2. Step 2: Convert to fraction form
    338,612.48/507,473.04 = 188,923.20/x
  3. Step 3: Cross multiply
    338,612.48x = 507,473.04 × 188,923.20
  4. Step 4: Simplify right side
    338,612.48x = 95,873,430,630.53
  5. Step 5: Solve for x
    x = 95,873,430,630.53/338,612.48
  6. Step 6: Final answer
    x = 283,136.14

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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.