Home / 311,501.03-429,871.37-168,261.08

Finding the Fourth Proportional to 311,501.03, 429,871.37 and 168,261.08

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Solution

The fourth proportional to 311,501.03, 429,871.37 and 168,261.08 is: 232,200.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,501.03 : 429,871.37 = 168,261.08 : x
  2. Step 2: Convert to fraction form
    311,501.03/429,871.37 = 168,261.08/x
  3. Step 3: Cross multiply
    311,501.03x = 429,871.37 × 168,261.08
  4. Step 4: Simplify right side
    311,501.03x = 72,330,620,135.97
  5. Step 5: Solve for x
    x = 72,330,620,135.97/311,501.03
  6. Step 6: Final answer
    x = 232,200.26

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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.