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Finding the Fourth Proportional to 400,165.15, 600,026.16 and 163,673.92

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Solution

The fourth proportional to 400,165.15, 600,026.16 and 163,673.92 is: 245,420.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,165.15 : 600,026.16 = 163,673.92 : x
  2. Step 2: Convert to fraction form
    400,165.15/600,026.16 = 163,673.92/x
  3. Step 3: Cross multiply
    400,165.15x = 600,026.16 × 163,673.92
  4. Step 4: Simplify right side
    400,165.15x = 98,208,633,709.75
  5. Step 5: Solve for x
    x = 98,208,633,709.75/400,165.15
  6. Step 6: Final answer
    x = 245,420.26

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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.