Home / 500,148.14-690,204.38-270,705.38

Finding the Fourth Proportional to 500,148.14, 690,204.38 and 270,705.38

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Solution

The fourth proportional to 500,148.14, 690,204.38 and 270,705.38 is: 373,573.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,148.14 : 690,204.38 = 270,705.38 : x
  2. Step 2: Convert to fraction form
    500,148.14/690,204.38 = 270,705.38/x
  3. Step 3: Cross multiply
    500,148.14x = 690,204.38 × 270,705.38
  4. Step 4: Simplify right side
    500,148.14x = 186,842,037,612.04
  5. Step 5: Solve for x
    x = 186,842,037,612.04/500,148.14
  6. Step 6: Final answer
    x = 373,573.39

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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.