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Finding the Fourth Proportional to 400,133.21, 600,200.40 and 163,476.11

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Solution

The fourth proportional to 400,133.21, 600,200.40 and 163,476.11 is: 245,214.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,133.21 : 600,200.40 = 163,476.11 : x
  2. Step 2: Convert to fraction form
    400,133.21/600,200.40 = 163,476.11/x
  3. Step 3: Cross multiply
    400,133.21x = 600,200.40 × 163,476.11
  4. Step 4: Simplify right side
    400,133.21x = 98,118,423,611.44
  5. Step 5: Solve for x
    x = 98,118,423,611.44/400,133.21
  6. Step 6: Final answer
    x = 245,214.40

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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.