Home / 313,880.12-433,149.44-170,643.76

Finding the Fourth Proportional to 313,880.12, 433,149.44 and 170,643.76

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Solution

The fourth proportional to 313,880.12, 433,149.44 and 170,643.76 is: 235,485.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,880.12 : 433,149.44 = 170,643.76 : x
  2. Step 2: Convert to fraction form
    313,880.12/433,149.44 = 170,643.76/x
  3. Step 3: Cross multiply
    313,880.12x = 433,149.44 × 170,643.76
  4. Step 4: Simplify right side
    313,880.12x = 73,914,249,083.49
  5. Step 5: Solve for x
    x = 73,914,249,083.49/313,880.12
  6. Step 6: Final answer
    x = 235,485.60

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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.