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Finding the Fourth Proportional to 387,497.63, 534,810.93 and 226,352.18

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Solution

The fourth proportional to 387,497.63, 534,810.93 and 226,352.18 is: 312,403.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,497.63 : 534,810.93 = 226,352.18 : x
  2. Step 2: Convert to fraction form
    387,497.63/534,810.93 = 226,352.18/x
  3. Step 3: Cross multiply
    387,497.63x = 534,810.93 × 226,352.18
  4. Step 4: Simplify right side
    387,497.63x = 121,055,619,893.33
  5. Step 5: Solve for x
    x = 121,055,619,893.33/387,497.63
  6. Step 6: Final answer
    x = 312,403.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.