Home / 289,723.40-434,066.70-236,846.60

Finding the Fourth Proportional to 289,723.40, 434,066.70 and 236,846.60

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Solution

The fourth proportional to 289,723.40, 434,066.70 and 236,846.60 is: 354,846.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,723.40 : 434,066.70 = 236,846.60 : x
  2. Step 2: Convert to fraction form
    289,723.40/434,066.70 = 236,846.60/x
  3. Step 3: Cross multiply
    289,723.40x = 434,066.70 × 236,846.60
  4. Step 4: Simplify right side
    289,723.40x = 102,807,222,068.22
  5. Step 5: Solve for x
    x = 102,807,222,068.22/289,723.40
  6. Step 6: Final answer
    x = 354,846.11

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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.