Home / 291,823.12-402,805.80-171,003.67

Finding the Fourth Proportional to 291,823.12, 402,805.80 and 171,003.67

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Solution

The fourth proportional to 291,823.12, 402,805.80 and 171,003.67 is: 236,037.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,823.12 : 402,805.80 = 171,003.67 : x
  2. Step 2: Convert to fraction form
    291,823.12/402,805.80 = 171,003.67/x
  3. Step 3: Cross multiply
    291,823.12x = 402,805.80 × 171,003.67
  4. Step 4: Simplify right side
    291,823.12x = 68,881,270,097.29
  5. Step 5: Solve for x
    x = 68,881,270,097.29/291,823.12
  6. Step 6: Final answer
    x = 236,037.74

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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.