Home / 216,301.87-298,628.09-148,430.35

Finding the Fourth Proportional to 216,301.87, 298,628.09 and 148,430.35

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Solution

The fourth proportional to 216,301.87, 298,628.09 and 148,430.35 is: 204,924.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,301.87 : 298,628.09 = 148,430.35 : x
  2. Step 2: Convert to fraction form
    216,301.87/298,628.09 = 148,430.35/x
  3. Step 3: Cross multiply
    216,301.87x = 298,628.09 × 148,430.35
  4. Step 4: Simplify right side
    216,301.87x = 44,325,471,918.53
  5. Step 5: Solve for x
    x = 44,325,471,918.53/216,301.87
  6. Step 6: Final answer
    x = 204,924.13

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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.