Home / 380,561.06-570,727.78-238,621.93

Finding the Fourth Proportional to 380,561.06, 570,727.78 and 238,621.93

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Solution

The fourth proportional to 380,561.06, 570,727.78 and 238,621.93 is: 357,861.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,561.06 : 570,727.78 = 238,621.93 : x
  2. Step 2: Convert to fraction form
    380,561.06/570,727.78 = 238,621.93/x
  3. Step 3: Cross multiply
    380,561.06x = 570,727.78 × 238,621.93
  4. Step 4: Simplify right side
    380,561.06x = 136,188,164,368.22
  5. Step 5: Solve for x
    x = 136,188,164,368.22/380,561.06
  6. Step 6: Final answer
    x = 357,861.53

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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.