Home / 250,387.81-345,346.34-173,906.80

Finding the Fourth Proportional to 250,387.81, 345,346.34 and 173,906.80

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Solution

The fourth proportional to 250,387.81, 345,346.34 and 173,906.80 is: 239,860.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,387.81 : 345,346.34 = 173,906.80 : x
  2. Step 2: Convert to fraction form
    250,387.81/345,346.34 = 173,906.80/x
  3. Step 3: Cross multiply
    250,387.81x = 345,346.34 × 173,906.80
  4. Step 4: Simplify right side
    250,387.81x = 60,058,075,148.21
  5. Step 5: Solve for x
    x = 60,058,075,148.21/250,387.81
  6. Step 6: Final answer
    x = 239,860.22

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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.