Home / 289,110.80-433,707.51-89,448.23

Finding the Fourth Proportional to 289,110.80, 433,707.51 and 89,448.23

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Solution

The fourth proportional to 289,110.80, 433,707.51 and 89,448.23 is: 134,185.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,110.80 : 433,707.51 = 89,448.23 : x
  2. Step 2: Convert to fraction form
    289,110.80/433,707.51 = 89,448.23/x
  3. Step 3: Cross multiply
    289,110.80x = 433,707.51 × 89,448.23
  4. Step 4: Simplify right side
    289,110.80x = 38,794,369,107.21
  5. Step 5: Solve for x
    x = 38,794,369,107.21/289,110.80
  6. Step 6: Final answer
    x = 134,185.13

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1.5x scale

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.