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Finding the Fourth Proportional to 265,603.34, 366,521.90 and 144,742.02

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Solution

The fourth proportional to 265,603.34, 366,521.90 and 144,742.02 is: 199,738.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,603.34 : 366,521.90 = 144,742.02 : x
  2. Step 2: Convert to fraction form
    265,603.34/366,521.90 = 144,742.02/x
  3. Step 3: Cross multiply
    265,603.34x = 366,521.90 × 144,742.02
  4. Step 4: Simplify right side
    265,603.34x = 53,051,120,180.24
  5. Step 5: Solve for x
    x = 53,051,120,180.24/265,603.34
  6. Step 6: Final answer
    x = 199,738.15

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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.