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Finding the Fourth Proportional to 375,187.83, 562,638.21 and 185,583.12

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Solution

The fourth proportional to 375,187.83, 562,638.21 and 185,583.12 is: 278,303.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,187.83 : 562,638.21 = 185,583.12 : x
  2. Step 2: Convert to fraction form
    375,187.83/562,638.21 = 185,583.12/x
  3. Step 3: Cross multiply
    375,187.83x = 562,638.21 × 185,583.12
  4. Step 4: Simplify right side
    375,187.83x = 104,416,154,443.02
  5. Step 5: Solve for x
    x = 104,416,154,443.02/375,187.83
  6. Step 6: Final answer
    x = 278,303.68

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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.