Home / 448,970.22-619,582.59-245,022.78

Finding the Fourth Proportional to 448,970.22, 619,582.59 and 245,022.78

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Solution

The fourth proportional to 448,970.22, 619,582.59 and 245,022.78 is: 338,133.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,970.22 : 619,582.59 = 245,022.78 : x
  2. Step 2: Convert to fraction form
    448,970.22/619,582.59 = 245,022.78/x
  3. Step 3: Cross multiply
    448,970.22x = 619,582.59 × 245,022.78
  4. Step 4: Simplify right side
    448,970.22x = 151,811,848,641.40
  5. Step 5: Solve for x
    x = 151,811,848,641.40/448,970.22
  6. Step 6: Final answer
    x = 338,133.45

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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.