Home / 424,320.45-585,561.39-243,091.05

Finding the Fourth Proportional to 424,320.45, 585,561.39 and 243,091.05

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Solution

The fourth proportional to 424,320.45, 585,561.39 and 243,091.05 is: 335,465.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,320.45 : 585,561.39 = 243,091.05 : x
  2. Step 2: Convert to fraction form
    424,320.45/585,561.39 = 243,091.05/x
  3. Step 3: Cross multiply
    424,320.45x = 585,561.39 × 243,091.05
  4. Step 4: Simplify right side
    424,320.45x = 142,344,733,134.56
  5. Step 5: Solve for x
    x = 142,344,733,134.56/424,320.45
  6. Step 6: Final answer
    x = 335,465.17

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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.