Home / 313,537.02-432,682.32-170,299.45

Finding the Fourth Proportional to 313,537.02, 432,682.32 and 170,299.45

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Solution

The fourth proportional to 313,537.02, 432,682.32 and 170,299.45 is: 235,013.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,537.02 : 432,682.32 = 170,299.45 : x
  2. Step 2: Convert to fraction form
    313,537.02/432,682.32 = 170,299.45/x
  3. Step 3: Cross multiply
    313,537.02x = 432,682.32 × 170,299.45
  4. Step 4: Simplify right side
    313,537.02x = 73,685,561,120.72
  5. Step 5: Solve for x
    x = 73,685,561,120.72/313,537.02
  6. Step 6: Final answer
    x = 235,013.91

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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.