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Finding the Fourth Proportional to 310,346.68, 465,751.05 and 230,570.39

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Solution

The fourth proportional to 310,346.68, 465,751.05 and 230,570.39 is: 346,027.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,346.68 : 465,751.05 = 230,570.39 : x
  2. Step 2: Convert to fraction form
    310,346.68/465,751.05 = 230,570.39/x
  3. Step 3: Cross multiply
    310,346.68x = 465,751.05 × 230,570.39
  4. Step 4: Simplify right side
    310,346.68x = 107,388,401,241.41
  5. Step 5: Solve for x
    x = 107,388,401,241.41/310,346.68
  6. Step 6: Final answer
    x = 346,027.23

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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.