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Finding the Fourth Proportional to 368,264.46, 508,169.04 and 207,116.07

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Solution

The fourth proportional to 368,264.46, 508,169.04 and 207,116.07 is: 285,799.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,264.46 : 508,169.04 = 207,116.07 : x
  2. Step 2: Convert to fraction form
    368,264.46/508,169.04 = 207,116.07/x
  3. Step 3: Cross multiply
    368,264.46x = 508,169.04 × 207,116.07
  4. Step 4: Simplify right side
    368,264.46x = 105,249,974,460.47
  5. Step 5: Solve for x
    x = 105,249,974,460.47/368,264.46
  6. Step 6: Final answer
    x = 285,799.98

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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.