Home / 449,148.56-619,834.40-245,208.08

Finding the Fourth Proportional to 449,148.56, 619,834.40 and 245,208.08

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Solution

The fourth proportional to 449,148.56, 619,834.40 and 245,208.08 is: 338,392.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,148.56 : 619,834.40 = 245,208.08 : x
  2. Step 2: Convert to fraction form
    449,148.56/619,834.40 = 245,208.08/x
  3. Step 3: Cross multiply
    449,148.56x = 619,834.40 × 245,208.08
  4. Step 4: Simplify right side
    449,148.56x = 151,988,403,222.84
  5. Step 5: Solve for x
    x = 151,988,403,222.84/449,148.56
  6. Step 6: Final answer
    x = 338,392.27

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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.