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Finding the Fourth Proportional to 262,457.16, 393,093.84 and 121,920.04

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Solution

The fourth proportional to 262,457.16, 393,093.84 and 121,920.04 is: 182,605.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,457.16 : 393,093.84 = 121,920.04 : x
  2. Step 2: Convert to fraction form
    262,457.16/393,093.84 = 121,920.04/x
  3. Step 3: Cross multiply
    262,457.16x = 393,093.84 × 121,920.04
  4. Step 4: Simplify right side
    262,457.16x = 47,926,016,696.55
  5. Step 5: Solve for x
    x = 47,926,016,696.55/262,457.16
  6. Step 6: Final answer
    x = 182,605.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.