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Finding the Fourth Proportional to 379,802.25, 524,105.82 and 207,686.07

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Solution

The fourth proportional to 379,802.25, 524,105.82 and 207,686.07 is: 286,595.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,802.25 : 524,105.82 = 207,686.07 : x
  2. Step 2: Convert to fraction form
    379,802.25/524,105.82 = 207,686.07/x
  3. Step 3: Cross multiply
    379,802.25x = 524,105.82 × 207,686.07
  4. Step 4: Simplify right side
    379,802.25x = 108,849,478,019.93
  5. Step 5: Solve for x
    x = 108,849,478,019.93/379,802.25
  6. Step 6: Final answer
    x = 286,595.14

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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.