Home / 421,985.76-632,814.60-152,041.92

Finding the Fourth Proportional to 421,985.76, 632,814.60 and 152,041.92

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Solution

The fourth proportional to 421,985.76, 632,814.60 and 152,041.92 is: 228,003.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,985.76 : 632,814.60 = 152,041.92 : x
  2. Step 2: Convert to fraction form
    421,985.76/632,814.60 = 152,041.92/x
  3. Step 3: Cross multiply
    421,985.76x = 632,814.60 × 152,041.92
  4. Step 4: Simplify right side
    421,985.76x = 96,214,346,788.03
  5. Step 5: Solve for x
    x = 96,214,346,788.03/421,985.76
  6. Step 6: Final answer
    x = 228,003.78

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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.