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Finding the Fourth Proportional to 388,701.37, 536,224.62 and 227,457.51

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Solution

The fourth proportional to 388,701.37, 536,224.62 and 227,457.51 is: 313,784.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,701.37 : 536,224.62 = 227,457.51 : x
  2. Step 2: Convert to fraction form
    388,701.37/536,224.62 = 227,457.51/x
  3. Step 3: Cross multiply
    388,701.37x = 536,224.62 × 227,457.51
  4. Step 4: Simplify right side
    388,701.37x = 121,968,316,865.90
  5. Step 5: Solve for x
    x = 121,968,316,865.90/388,701.37
  6. Step 6: Final answer
    x = 313,784.12

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.