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Finding the Fourth Proportional to 490,585.33, 735,857.00 and 153,618.51

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Solution

The fourth proportional to 490,585.33, 735,857.00 and 153,618.51 is: 230,421.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,585.33 : 735,857.00 = 153,618.51 : x
  2. Step 2: Convert to fraction form
    490,585.33/735,857.00 = 153,618.51/x
  3. Step 3: Cross multiply
    490,585.33x = 735,857.00 × 153,618.51
  4. Step 4: Simplify right side
    490,585.33x = 113,041,255,144.98
  5. Step 5: Solve for x
    x = 113,041,255,144.98/490,585.33
  6. Step 6: Final answer
    x = 230,421.19

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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.