Home / 300,439.96-414,600.06-173,187.16

Finding the Fourth Proportional to 300,439.96, 414,600.06 and 173,187.16

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Solution

The fourth proportional to 300,439.96, 414,600.06 and 173,187.16 is: 238,994.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,439.96 : 414,600.06 = 173,187.16 : x
  2. Step 2: Convert to fraction form
    300,439.96/414,600.06 = 173,187.16/x
  3. Step 3: Cross multiply
    300,439.96x = 414,600.06 × 173,187.16
  4. Step 4: Simplify right side
    300,439.96x = 71,803,406,927.23
  5. Step 5: Solve for x
    x = 71,803,406,927.23/300,439.96
  6. Step 6: Final answer
    x = 238,994.20

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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.