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Finding the Fourth Proportional to 328,349, 452,215.50 and 283,010.24

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Solution

The fourth proportional to 328,349, 452,215.50 and 283,010.24 is: 389,773.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,349 : 452,215.50 = 283,010.24 : x
  2. Step 2: Convert to fraction form
    328,349/452,215.50 = 283,010.24/x
  3. Step 3: Cross multiply
    328,349x = 452,215.50 × 283,010.24
  4. Step 4: Simplify right side
    328,349x = 127,981,617,186.72
  5. Step 5: Solve for x
    x = 127,981,617,186.72/328,349
  6. Step 6: Final answer
    x = 389,773.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.