Home / 313,342.22-432,421.13-170,111.61

Finding the Fourth Proportional to 313,342.22, 432,421.13 and 170,111.61

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Solution

The fourth proportional to 313,342.22, 432,421.13 and 170,111.61 is: 234,758.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,342.22 : 432,421.13 = 170,111.61 : x
  2. Step 2: Convert to fraction form
    313,342.22/432,421.13 = 170,111.61/x
  3. Step 3: Cross multiply
    313,342.22x = 432,421.13 × 170,111.61
  4. Step 4: Simplify right side
    313,342.22x = 73,559,855,047.60
  5. Step 5: Solve for x
    x = 73,559,855,047.60/313,342.22
  6. Step 6: Final answer
    x = 234,758.83

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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.