Home / 245,347.43-338,529.36-143,353.19

Finding the Fourth Proportional to 245,347.43, 338,529.36 and 143,353.19

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Solution

The fourth proportional to 245,347.43, 338,529.36 and 143,353.19 is: 197,798.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,347.43 : 338,529.36 = 143,353.19 : x
  2. Step 2: Convert to fraction form
    245,347.43/338,529.36 = 143,353.19/x
  3. Step 3: Cross multiply
    245,347.43x = 338,529.36 × 143,353.19
  4. Step 4: Simplify right side
    245,347.43x = 48,529,262,509.59
  5. Step 5: Solve for x
    x = 48,529,262,509.59/245,347.43
  6. Step 6: Final answer
    x = 197,798.13

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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.