Home / 405,870.14-608,222.93-228,002.95

Finding the Fourth Proportional to 405,870.14, 608,222.93 and 228,002.95

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Solution

The fourth proportional to 405,870.14, 608,222.93 and 228,002.95 is: 341,677.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,870.14 : 608,222.93 = 228,002.95 : x
  2. Step 2: Convert to fraction form
    405,870.14/608,222.93 = 228,002.95/x
  3. Step 3: Cross multiply
    405,870.14x = 608,222.93 × 228,002.95
  4. Step 4: Simplify right side
    405,870.14x = 138,676,621,917.91
  5. Step 5: Solve for x
    x = 138,676,621,917.91/405,870.14
  6. Step 6: Final answer
    x = 341,677.32

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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.