Home / 380,696.37-571,051.08-144,150.45

Finding the Fourth Proportional to 380,696.37, 571,051.08 and 144,150.45

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Solution

The fourth proportional to 380,696.37, 571,051.08 and 144,150.45 is: 216,228.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,696.37 : 571,051.08 = 144,150.45 : x
  2. Step 2: Convert to fraction form
    380,696.37/571,051.08 = 144,150.45/x
  3. Step 3: Cross multiply
    380,696.37x = 571,051.08 × 144,150.45
  4. Step 4: Simplify right side
    380,696.37x = 82,317,270,154.99
  5. Step 5: Solve for x
    x = 82,317,270,154.99/380,696.37
  6. Step 6: Final answer
    x = 216,228.15

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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.