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Finding the Fourth Proportional to 303,397.51, 455,096.31 and 284,698.66

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Solution

The fourth proportional to 303,397.51, 455,096.31 and 284,698.66 is: 427,048.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,397.51 : 455,096.31 = 284,698.66 : x
  2. Step 2: Convert to fraction form
    303,397.51/455,096.31 = 284,698.66/x
  3. Step 3: Cross multiply
    303,397.51x = 455,096.31 × 284,698.66
  4. Step 4: Simplify right side
    303,397.51x = 129,565,309,627.95
  5. Step 5: Solve for x
    x = 129,565,309,627.95/303,397.51
  6. Step 6: Final answer
    x = 427,048.03

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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.