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Finding the Fourth Proportional to 375,829.76, 562,638.72 and 250,860.80

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Solution

The fourth proportional to 375,829.76, 562,638.72 and 250,860.80 is: 375,553.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,829.76 : 562,638.72 = 250,860.80 : x
  2. Step 2: Convert to fraction form
    375,829.76/562,638.72 = 250,860.80/x
  3. Step 3: Cross multiply
    375,829.76x = 562,638.72 × 250,860.80
  4. Step 4: Simplify right side
    375,829.76x = 141,143,999,410.18
  5. Step 5: Solve for x
    x = 141,143,999,410.18/375,829.76
  6. Step 6: Final answer
    x = 375,553.01

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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.