Home / 345,015.22-473,577.25-306,446.26

Finding the Fourth Proportional to 345,015.22, 473,577.25 and 306,446.26

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Solution

The fourth proportional to 345,015.22, 473,577.25 and 306,446.26 is: 420,636.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,015.22 : 473,577.25 = 306,446.26 : x
  2. Step 2: Convert to fraction form
    345,015.22/473,577.25 = 306,446.26/x
  3. Step 3: Cross multiply
    345,015.22x = 473,577.25 × 306,446.26
  4. Step 4: Simplify right side
    345,015.22x = 145,125,975,551.35
  5. Step 5: Solve for x
    x = 145,125,975,551.35/345,015.22
  6. Step 6: Final answer
    x = 420,636.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.