Home / 380,790.05-571,191.14-144,069.17

Finding the Fourth Proportional to 380,790.05, 571,191.14 and 144,069.17

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Solution

The fourth proportional to 380,790.05, 571,191.14 and 144,069.17 is: 216,106.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,790.05 : 571,191.14 = 144,069.17 : x
  2. Step 2: Convert to fraction form
    380,790.05/571,191.14 = 144,069.17/x
  3. Step 3: Cross multiply
    380,790.05x = 571,191.14 × 144,069.17
  4. Step 4: Simplify right side
    380,790.05x = 82,291,030,955.37
  5. Step 5: Solve for x
    x = 82,291,030,955.37/380,790.05
  6. Step 6: Final answer
    x = 216,106.05

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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.