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Finding the Fourth Proportional to 402,637.24, 604,054.48 and 200,328.81

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Solution

The fourth proportional to 402,637.24, 604,054.48 and 200,328.81 is: 300,542.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,637.24 : 604,054.48 = 200,328.81 : x
  2. Step 2: Convert to fraction form
    402,637.24/604,054.48 = 200,328.81/x
  3. Step 3: Cross multiply
    402,637.24x = 604,054.48 × 200,328.81
  4. Step 4: Simplify right side
    402,637.24x = 121,009,515,153.57
  5. Step 5: Solve for x
    x = 121,009,515,153.57/402,637.24
  6. Step 6: Final answer
    x = 300,542.28

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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.