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Finding the Fourth Proportional to 400,002.81, 600,004.77 and 163,345.48

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Solution

The fourth proportional to 400,002.81, 600,004.77 and 163,345.48 is: 245,018.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,002.81 : 600,004.77 = 163,345.48 : x
  2. Step 2: Convert to fraction form
    400,002.81/600,004.77 = 163,345.48/x
  3. Step 3: Cross multiply
    400,002.81x = 600,004.77 × 163,345.48
  4. Step 4: Simplify right side
    400,002.81x = 98,008,067,157.94
  5. Step 5: Solve for x
    x = 98,008,067,157.94/400,002.81
  6. Step 6: Final answer
    x = 245,018.45

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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.