Home / 284,111.17-423,838.13-276,388.63

Finding the Fourth Proportional to 284,111.17, 423,838.13 and 276,388.63

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Solution

The fourth proportional to 284,111.17, 423,838.13 and 276,388.63 is: 412,317.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,111.17 : 423,838.13 = 276,388.63 : x
  2. Step 2: Convert to fraction form
    284,111.17/423,838.13 = 276,388.63/x
  3. Step 3: Cross multiply
    284,111.17x = 423,838.13 × 276,388.63
  4. Step 4: Simplify right side
    284,111.17x = 117,144,040,092.46
  5. Step 5: Solve for x
    x = 117,144,040,092.46/284,111.17
  6. Step 6: Final answer
    x = 412,317.62

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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.