Home / 309,827.20-464,740.80-236,099.20

Finding the Fourth Proportional to 309,827.20, 464,740.80 and 236,099.20

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Solution

The fourth proportional to 309,827.20, 464,740.80 and 236,099.20 is: 354,148.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,827.20 : 464,740.80 = 236,099.20 : x
  2. Step 2: Convert to fraction form
    309,827.20/464,740.80 = 236,099.20/x
  3. Step 3: Cross multiply
    309,827.20x = 464,740.80 × 236,099.20
  4. Step 4: Simplify right side
    309,827.20x = 109,724,931,087.36
  5. Step 5: Solve for x
    x = 109,724,931,087.36/309,827.20
  6. Step 6: Final answer
    x = 354,148.80

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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.