Home / 360,914.81-498,193.87-210,011.81

Finding the Fourth Proportional to 360,914.81, 498,193.87 and 210,011.81

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Solution

The fourth proportional to 360,914.81, 498,193.87 and 210,011.81 is: 289,892.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,914.81 : 498,193.87 = 210,011.81 : x
  2. Step 2: Convert to fraction form
    360,914.81/498,193.87 = 210,011.81/x
  3. Step 3: Cross multiply
    360,914.81x = 498,193.87 × 210,011.81
  4. Step 4: Simplify right side
    360,914.81x = 104,626,597,090.06
  5. Step 5: Solve for x
    x = 104,626,597,090.06/360,914.81
  6. Step 6: Final answer
    x = 289,892.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.