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Finding the Fourth Proportional to 375,390.04, 518,052.54 and 214,271.32

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Solution

The fourth proportional to 375,390.04, 518,052.54 and 214,271.32 is: 295,702.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,390.04 : 518,052.54 = 214,271.32 : x
  2. Step 2: Convert to fraction form
    375,390.04/518,052.54 = 214,271.32/x
  3. Step 3: Cross multiply
    375,390.04x = 518,052.54 × 214,271.32
  4. Step 4: Simplify right side
    375,390.04x = 111,003,801,575.15
  5. Step 5: Solve for x
    x = 111,003,801,575.15/375,390.04
  6. Step 6: Final answer
    x = 295,702.58

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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.