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Finding the Fourth Proportional to 301,699.22, 452,548.89 and 77,060.16

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Solution

The fourth proportional to 301,699.22, 452,548.89 and 77,060.16 is: 115,590.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,699.22 : 452,548.89 = 77,060.16 : x
  2. Step 2: Convert to fraction form
    301,699.22/452,548.89 = 77,060.16/x
  3. Step 3: Cross multiply
    301,699.22x = 452,548.89 × 77,060.16
  4. Step 4: Simplify right side
    301,699.22x = 34,873,489,871.22
  5. Step 5: Solve for x
    x = 34,873,489,871.22/301,699.22
  6. Step 6: Final answer
    x = 115,590.26

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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.