Home / 313,990.34-433,318.10-179,880.26

Finding the Fourth Proportional to 313,990.34, 433,318.10 and 179,880.26

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Solution

The fourth proportional to 313,990.34, 433,318.10 and 179,880.26 is: 248,241.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,990.34 : 433,318.10 = 179,880.26 : x
  2. Step 2: Convert to fraction form
    313,990.34/433,318.10 = 179,880.26/x
  3. Step 3: Cross multiply
    313,990.34x = 433,318.10 × 179,880.26
  4. Step 4: Simplify right side
    313,990.34x = 77,945,372,490.71
  5. Step 5: Solve for x
    x = 77,945,372,490.71/313,990.34
  6. Step 6: Final answer
    x = 248,241.31

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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.