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Finding the Fourth Proportional to 490,411.08, 735,735.18 and 170,516.77

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Solution

The fourth proportional to 490,411.08, 735,735.18 and 170,516.77 is: 255,816.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,411.08 : 735,735.18 = 170,516.77 : x
  2. Step 2: Convert to fraction form
    490,411.08/735,735.18 = 170,516.77/x
  3. Step 3: Cross multiply
    490,411.08x = 735,735.18 × 170,516.77
  4. Step 4: Simplify right side
    490,411.08x = 125,455,185,269.07
  5. Step 5: Solve for x
    x = 125,455,185,269.07/490,411.08
  6. Step 6: Final answer
    x = 255,816.38

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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.