Home / 209,953.42-315,133.08-198,574.18

Finding the Fourth Proportional to 209,953.42, 315,133.08 and 198,574.18

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Solution

The fourth proportional to 209,953.42, 315,133.08 and 198,574.18 is: 298,053.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953.42 : 315,133.08 = 198,574.18 : x
  2. Step 2: Convert to fraction form
    209,953.42/315,133.08 = 198,574.18/x
  3. Step 3: Cross multiply
    209,953.42x = 315,133.08 × 198,574.18
  4. Step 4: Simplify right side
    209,953.42x = 62,577,294,308.99
  5. Step 5: Solve for x
    x = 62,577,294,308.99/209,953.42
  6. Step 6: Final answer
    x = 298,053.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.