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Finding the Fourth Proportional to 305,484.51, 458,561.97 and 242,708.16

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Solution

The fourth proportional to 305,484.51, 458,561.97 and 242,708.16 is: 364,328.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,484.51 : 458,561.97 = 242,708.16 : x
  2. Step 2: Convert to fraction form
    305,484.51/458,561.97 = 242,708.16/x
  3. Step 3: Cross multiply
    305,484.51x = 458,561.97 × 242,708.16
  4. Step 4: Simplify right side
    305,484.51x = 111,296,731,984.68
  5. Step 5: Solve for x
    x = 111,296,731,984.68/305,484.51
  6. Step 6: Final answer
    x = 364,328.56

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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.