Home / 311,269.16-429,426.73-190,200.29

Finding the Fourth Proportional to 311,269.16, 429,426.73 and 190,200.29

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Solution

The fourth proportional to 311,269.16, 429,426.73 and 190,200.29 is: 262,400.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,269.16 : 429,426.73 = 190,200.29 : x
  2. Step 2: Convert to fraction form
    311,269.16/429,426.73 = 190,200.29/x
  3. Step 3: Cross multiply
    311,269.16x = 429,426.73 × 190,200.29
  4. Step 4: Simplify right side
    311,269.16x = 81,677,086,670.37
  5. Step 5: Solve for x
    x = 81,677,086,670.37/311,269.16
  6. Step 6: Final answer
    x = 262,400.19

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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.