Home / 448,633.36-619,096.80-247,429.36

Finding the Fourth Proportional to 448,633.36, 619,096.80 and 247,429.36

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Solution

The fourth proportional to 448,633.36, 619,096.80 and 247,429.36 is: 341,443.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,633.36 : 619,096.80 = 247,429.36 : x
  2. Step 2: Convert to fraction form
    448,633.36/619,096.80 = 247,429.36/x
  3. Step 3: Cross multiply
    448,633.36x = 619,096.80 × 247,429.36
  4. Step 4: Simplify right side
    448,633.36x = 153,182,725,002.05
  5. Step 5: Solve for x
    x = 153,182,725,002.05/448,633.36
  6. Step 6: Final answer
    x = 341,443.01

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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.