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Finding the Fourth Proportional to 265,624.13, 366,920.29 and 212,283.01

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Solution

The fourth proportional to 265,624.13, 366,920.29 and 212,283.01 is: 293,237.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,624.13 : 366,920.29 = 212,283.01 : x
  2. Step 2: Convert to fraction form
    265,624.13/366,920.29 = 212,283.01/x
  3. Step 3: Cross multiply
    265,624.13x = 366,920.29 × 212,283.01
  4. Step 4: Simplify right side
    265,624.13x = 77,890,942,529.86
  5. Step 5: Solve for x
    x = 77,890,942,529.86/265,624.13
  6. Step 6: Final answer
    x = 293,237.45

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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.