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Finding the Fourth Proportional to 304,887.33, 455,155.88 and 284,626.09

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Solution

The fourth proportional to 304,887.33, 455,155.88 and 284,626.09 is: 424,908.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,887.33 : 455,155.88 = 284,626.09 : x
  2. Step 2: Convert to fraction form
    304,887.33/455,155.88 = 284,626.09/x
  3. Step 3: Cross multiply
    304,887.33x = 455,155.88 × 284,626.09
  4. Step 4: Simplify right side
    304,887.33x = 129,549,238,464.91
  5. Step 5: Solve for x
    x = 129,549,238,464.91/304,887.33
  6. Step 6: Final answer
    x = 424,908.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.