Home / 380,559.06-570,724.79-238,619.93

Finding the Fourth Proportional to 380,559.06, 570,724.79 and 238,619.93

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Solution

The fourth proportional to 380,559.06, 570,724.79 and 238,619.93 is: 357,858.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,559.06 : 570,724.79 = 238,619.93 : x
  2. Step 2: Convert to fraction form
    380,559.06/570,724.79 = 238,619.93/x
  3. Step 3: Cross multiply
    380,559.06x = 570,724.79 × 238,619.93
  4. Step 4: Simplify right side
    380,559.06x = 136,186,305,392.34
  5. Step 5: Solve for x
    x = 136,186,305,392.34/380,559.06
  6. Step 6: Final answer
    x = 357,858.53

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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.