Home / 293,748.12-405,367.74-172,875.06

Finding the Fourth Proportional to 293,748.12, 405,367.74 and 172,875.06

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Solution

The fourth proportional to 293,748.12, 405,367.74 and 172,875.06 is: 238,564.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,748.12 : 405,367.74 = 172,875.06 : x
  2. Step 2: Convert to fraction form
    293,748.12/405,367.74 = 172,875.06/x
  3. Step 3: Cross multiply
    293,748.12x = 405,367.74 × 172,875.06
  4. Step 4: Simplify right side
    293,748.12x = 70,077,972,374.56
  5. Step 5: Solve for x
    x = 70,077,972,374.56/293,748.12
  6. Step 6: Final answer
    x = 238,564.84

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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.