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Finding the Fourth Proportional to 366,190.94, 548,842.86 and 155,386.01

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Solution

The fourth proportional to 366,190.94, 548,842.86 and 155,386.01 is: 232,890.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,190.94 : 548,842.86 = 155,386.01 : x
  2. Step 2: Convert to fraction form
    366,190.94/548,842.86 = 155,386.01/x
  3. Step 3: Cross multiply
    366,190.94x = 548,842.86 × 155,386.01
  4. Step 4: Simplify right side
    366,190.94x = 85,282,502,132.39
  5. Step 5: Solve for x
    x = 85,282,502,132.39/366,190.94
  6. Step 6: Final answer
    x = 232,890.80

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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.