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Finding the Fourth Proportional to 375,735.40, 562,272.72 and 233,647.60

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Solution

The fourth proportional to 375,735.40, 562,272.72 and 233,647.60 is: 349,644.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,735.40 : 562,272.72 = 233,647.60 : x
  2. Step 2: Convert to fraction form
    375,735.40/562,272.72 = 233,647.60/x
  3. Step 3: Cross multiply
    375,735.40x = 562,272.72 × 233,647.60
  4. Step 4: Simplify right side
    375,735.40x = 131,373,671,573.47
  5. Step 5: Solve for x
    x = 131,373,671,573.47/375,735.40
  6. Step 6: Final answer
    x = 349,644.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.