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Finding the Fourth Proportional to 404,580, 606,056.88 and 201,564.08

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Solution

The fourth proportional to 404,580, 606,056.88 and 201,564.08 is: 301,941.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,580 : 606,056.88 = 201,564.08 : x
  2. Step 2: Convert to fraction form
    404,580/606,056.88 = 201,564.08/x
  3. Step 3: Cross multiply
    404,580x = 606,056.88 × 201,564.08
  4. Step 4: Simplify right side
    404,580x = 122,159,297,444.87
  5. Step 5: Solve for x
    x = 122,159,297,444.87/404,580
  6. Step 6: Final answer
    x = 301,941.02

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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.