Home / 405,200.94-607,379.06-152,307.20

Finding the Fourth Proportional to 405,200.94, 607,379.06 and 152,307.20

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Solution

The fourth proportional to 405,200.94, 607,379.06 and 152,307.20 is: 228,302.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,200.94 : 607,379.06 = 152,307.20 : x
  2. Step 2: Convert to fraction form
    405,200.94/607,379.06 = 152,307.20/x
  3. Step 3: Cross multiply
    405,200.94x = 607,379.06 × 152,307.20
  4. Step 4: Simplify right side
    405,200.94x = 92,508,200,168.80
  5. Step 5: Solve for x
    x = 92,508,200,168.80/405,200.94
  6. Step 6: Final answer
    x = 228,302.04

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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.