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Finding the Fourth Proportional to 400,185.04, 600,126.90 and 163,400.98

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Solution

The fourth proportional to 400,185.04, 600,126.90 and 163,400.98 is: 245,039.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,185.04 : 600,126.90 = 163,400.98 : x
  2. Step 2: Convert to fraction form
    400,185.04/600,126.90 = 163,400.98/x
  3. Step 3: Cross multiply
    400,185.04x = 600,126.90 × 163,400.98
  4. Step 4: Simplify right side
    400,185.04x = 98,061,323,584.36
  5. Step 5: Solve for x
    x = 98,061,323,584.36/400,185.04
  6. Step 6: Final answer
    x = 245,039.95

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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.