Home / 308,565.06-462,681.16-139,993.41

Finding the Fourth Proportional to 308,565.06, 462,681.16 and 139,993.41

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Solution

The fourth proportional to 308,565.06, 462,681.16 and 139,993.41 is: 209,914.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,565.06 : 462,681.16 = 139,993.41 : x
  2. Step 2: Convert to fraction form
    308,565.06/462,681.16 = 139,993.41/x
  3. Step 3: Cross multiply
    308,565.06x = 462,681.16 × 139,993.41
  4. Step 4: Simplify right side
    308,565.06x = 64,772,314,716.23
  5. Step 5: Solve for x
    x = 64,772,314,716.23/308,565.06
  6. Step 6: Final answer
    x = 209,914.61

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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.