Home / 245,491.24-338,774.70-138,061.24

Finding the Fourth Proportional to 245,491.24, 338,774.70 and 138,061.24

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Solution

The fourth proportional to 245,491.24, 338,774.70 and 138,061.24 is: 190,522.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,491.24 : 338,774.70 = 138,061.24 : x
  2. Step 2: Convert to fraction form
    245,491.24/338,774.70 = 138,061.24/x
  3. Step 3: Cross multiply
    245,491.24x = 338,774.70 × 138,061.24
  4. Step 4: Simplify right side
    245,491.24x = 46,771,655,162.63
  5. Step 5: Solve for x
    x = 46,771,655,162.63/245,491.24
  6. Step 6: Final answer
    x = 190,522.71

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1.5x scale

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.