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Finding the Fourth Proportional to 298,575.48, 412,007.04 and 177,697.26

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Solution

The fourth proportional to 298,575.48, 412,007.04 and 177,697.26 is: 245,206.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,575.48 : 412,007.04 = 177,697.26 : x
  2. Step 2: Convert to fraction form
    298,575.48/412,007.04 = 177,697.26/x
  3. Step 3: Cross multiply
    298,575.48x = 412,007.04 × 177,697.26
  4. Step 4: Simplify right side
    298,575.48x = 73,212,522,108.71
  5. Step 5: Solve for x
    x = 73,212,522,108.71/298,575.48
  6. Step 6: Final answer
    x = 245,206.08

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1.5x scale

Why These Related Problems?

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