Home / 380,895.29-571,417.56-141,011.15

Finding the Fourth Proportional to 380,895.29, 571,417.56 and 141,011.15

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Solution

The fourth proportional to 380,895.29, 571,417.56 and 141,011.15 is: 211,544.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,895.29 : 571,417.56 = 141,011.15 : x
  2. Step 2: Convert to fraction form
    380,895.29/571,417.56 = 141,011.15/x
  3. Step 3: Cross multiply
    380,895.29x = 571,417.56 × 141,011.15
  4. Step 4: Simplify right side
    380,895.29x = 80,576,244,408.71
  5. Step 5: Solve for x
    x = 80,576,244,408.71/380,895.29
  6. Step 6: Final answer
    x = 211,544.35

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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.