Home / 217,437.42-300,015.72-210,269.52

Finding the Fourth Proportional to 217,437.42, 300,015.72 and 210,269.52

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Solution

The fourth proportional to 217,437.42, 300,015.72 and 210,269.52 is: 290,125.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,437.42 : 300,015.72 = 210,269.52 : x
  2. Step 2: Convert to fraction form
    217,437.42/300,015.72 = 210,269.52/x
  3. Step 3: Cross multiply
    217,437.42x = 300,015.72 × 210,269.52
  4. Step 4: Simplify right side
    217,437.42x = 63,084,161,436.85
  5. Step 5: Solve for x
    x = 63,084,161,436.85/217,437.42
  6. Step 6: Final answer
    x = 290,125.60

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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.