Home / 313,582.39-432,315.23-215,462.63

Finding the Fourth Proportional to 313,582.39, 432,315.23 and 215,462.63

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Solution

The fourth proportional to 313,582.39, 432,315.23 and 215,462.63 is: 297,044.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,582.39 : 432,315.23 = 215,462.63 : x
  2. Step 2: Convert to fraction form
    313,582.39/432,315.23 = 215,462.63/x
  3. Step 3: Cross multiply
    313,582.39x = 432,315.23 × 215,462.63
  4. Step 4: Simplify right side
    313,582.39x = 93,147,776,448.33
  5. Step 5: Solve for x
    x = 93,147,776,448.33/313,582.39
  6. Step 6: Final answer
    x = 297,044.03

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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.