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Finding the Fourth Proportional to 400,166.87, 600,250.25 and 163,509.30

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Solution

The fourth proportional to 400,166.87, 600,250.25 and 163,509.30 is: 245,263.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,166.87 : 600,250.25 = 163,509.30 : x
  2. Step 2: Convert to fraction form
    400,166.87/600,250.25 = 163,509.30/x
  3. Step 3: Cross multiply
    400,166.87x = 600,250.25 × 163,509.30
  4. Step 4: Simplify right side
    400,166.87x = 98,146,497,384.78
  5. Step 5: Solve for x
    x = 98,146,497,384.78/400,166.87
  6. Step 6: Final answer
    x = 245,263.93

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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.