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Finding the Fourth Proportional to 404,664.56, 607,346.82 and 155,521.52

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Solution

The fourth proportional to 404,664.56, 607,346.82 and 155,521.52 is: 233,416.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,664.56 : 607,346.82 = 155,521.52 : x
  2. Step 2: Convert to fraction form
    404,664.56/607,346.82 = 155,521.52/x
  3. Step 3: Cross multiply
    404,664.56x = 607,346.82 × 155,521.52
  4. Step 4: Simplify right side
    404,664.56x = 94,455,497,576.83
  5. Step 5: Solve for x
    x = 94,455,497,576.83/404,664.56
  6. Step 6: Final answer
    x = 233,416.78

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1.5x scale

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.