Home / 347,838.09-524,126.42-286,042.38

Finding the Fourth Proportional to 347,838.09, 524,126.42 and 286,042.38

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Solution

The fourth proportional to 347,838.09, 524,126.42 and 286,042.38 is: 431,011.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,838.09 : 524,126.42 = 286,042.38 : x
  2. Step 2: Convert to fraction form
    347,838.09/524,126.42 = 286,042.38/x
  3. Step 3: Cross multiply
    347,838.09x = 524,126.42 × 286,042.38
  4. Step 4: Simplify right side
    347,838.09x = 149,922,369,312.79
  5. Step 5: Solve for x
    x = 149,922,369,312.79/347,838.09
  6. Step 6: Final answer
    x = 431,011.94

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.