Home / 313,549.37-432,698.93-170,306.34

Finding the Fourth Proportional to 313,549.37, 432,698.93 and 170,306.34

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Solution

The fourth proportional to 313,549.37, 432,698.93 and 170,306.34 is: 235,023.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,549.37 : 432,698.93 = 170,306.34 : x
  2. Step 2: Convert to fraction form
    313,549.37/432,698.93 = 170,306.34/x
  3. Step 3: Cross multiply
    313,549.37x = 432,698.93 × 170,306.34
  4. Step 4: Simplify right side
    313,549.37x = 73,691,371,090.22
  5. Step 5: Solve for x
    x = 73,691,371,090.22/313,549.37
  6. Step 6: Final answer
    x = 235,023.18

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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.