Home / 296,971.40-409,815.50-167,907.72

Finding the Fourth Proportional to 296,971.40, 409,815.50 and 167,907.72

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Solution

The fourth proportional to 296,971.40, 409,815.50 and 167,907.72 is: 231,709.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,971.40 : 409,815.50 = 167,907.72 : x
  2. Step 2: Convert to fraction form
    296,971.40/409,815.50 = 167,907.72/x
  3. Step 3: Cross multiply
    296,971.40x = 409,815.50 × 167,907.72
  4. Step 4: Simplify right side
    296,971.40x = 68,811,185,386.12
  5. Step 5: Solve for x
    x = 68,811,185,386.12/296,971.40
  6. Step 6: Final answer
    x = 231,709.81

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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.