Home / 405,599.09-607,969.60-152,770.19

Finding the Fourth Proportional to 405,599.09, 607,969.60 and 152,770.19

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Solution

The fourth proportional to 405,599.09, 607,969.60 and 152,770.19 is: 228,993.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,599.09 : 607,969.60 = 152,770.19 : x
  2. Step 2: Convert to fraction form
    405,599.09/607,969.60 = 152,770.19/x
  3. Step 3: Cross multiply
    405,599.09x = 607,969.60 × 152,770.19
  4. Step 4: Simplify right side
    405,599.09x = 92,879,631,306.22
  5. Step 5: Solve for x
    x = 92,879,631,306.22/405,599.09
  6. Step 6: Final answer
    x = 228,993.69

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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.