Home / 482,109.34-665,316.30-275,405.11

Finding the Fourth Proportional to 482,109.34, 665,316.30 and 275,405.11

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Solution

The fourth proportional to 482,109.34, 665,316.30 and 275,405.11 is: 380,062.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,109.34 : 665,316.30 = 275,405.11 : x
  2. Step 2: Convert to fraction form
    482,109.34/665,316.30 = 275,405.11/x
  3. Step 3: Cross multiply
    482,109.34x = 665,316.30 × 275,405.11
  4. Step 4: Simplify right side
    482,109.34x = 183,231,505,459.71
  5. Step 5: Solve for x
    x = 183,231,505,459.71/482,109.34
  6. Step 6: Final answer
    x = 380,062.14

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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.