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Finding the Fourth Proportional to 298,852.81, 412,417.02 and 169,791.50

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Solution

The fourth proportional to 298,852.81, 412,417.02 and 169,791.50 is: 234,312.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,852.81 : 412,417.02 = 169,791.50 : x
  2. Step 2: Convert to fraction form
    298,852.81/412,417.02 = 169,791.50/x
  3. Step 3: Cross multiply
    298,852.81x = 412,417.02 × 169,791.50
  4. Step 4: Simplify right side
    298,852.81x = 70,024,904,451.33
  5. Step 5: Solve for x
    x = 70,024,904,451.33/298,852.81
  6. Step 6: Final answer
    x = 234,312.35

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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.