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Finding the Fourth Proportional to 404,768.30, 607,152.45 and 155,456.30

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Solution

The fourth proportional to 404,768.30, 607,152.45 and 155,456.30 is: 233,184.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,768.30 : 607,152.45 = 155,456.30 : x
  2. Step 2: Convert to fraction form
    404,768.30/607,152.45 = 155,456.30/x
  3. Step 3: Cross multiply
    404,768.30x = 607,152.45 × 155,456.30
  4. Step 4: Simplify right side
    404,768.30x = 94,385,673,412.94
  5. Step 5: Solve for x
    x = 94,385,673,412.94/404,768.30
  6. Step 6: Final answer
    x = 233,184.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.