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Finding the Fourth Proportional to 298,602.04, 447,900.27 and 121,066.84

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Solution

The fourth proportional to 298,602.04, 447,900.27 and 121,066.84 is: 181,599.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,602.04 : 447,900.27 = 121,066.84 : x
  2. Step 2: Convert to fraction form
    298,602.04/447,900.27 = 121,066.84/x
  3. Step 3: Cross multiply
    298,602.04x = 447,900.27 × 121,066.84
  4. Step 4: Simplify right side
    298,602.04x = 54,225,870,324.05
  5. Step 5: Solve for x
    x = 54,225,870,324.05/298,602.04
  6. Step 6: Final answer
    x = 181,599.13

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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.