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Finding the Fourth Proportional to 446,540.48, 616,207.20 and 265,268.96

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Solution

The fourth proportional to 446,540.48, 616,207.20 and 265,268.96 is: 366,060.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,540.48 : 616,207.20 = 265,268.96 : x
  2. Step 2: Convert to fraction form
    446,540.48/616,207.20 = 265,268.96/x
  3. Step 3: Cross multiply
    446,540.48x = 616,207.20 × 265,268.96
  4. Step 4: Simplify right side
    446,540.48x = 163,460,643,088.51
  5. Step 5: Solve for x
    x = 163,460,643,088.51/446,540.48
  6. Step 6: Final answer
    x = 366,060.08

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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.