Home / 345,933.02-477,386.78-195,028.94

Finding the Fourth Proportional to 345,933.02, 477,386.78 and 195,028.94

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Solution

The fourth proportional to 345,933.02, 477,386.78 and 195,028.94 is: 269,139.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,933.02 : 477,386.78 = 195,028.94 : x
  2. Step 2: Convert to fraction form
    345,933.02/477,386.78 = 195,028.94/x
  3. Step 3: Cross multiply
    345,933.02x = 477,386.78 × 195,028.94
  4. Step 4: Simplify right side
    345,933.02x = 93,104,237,673.41
  5. Step 5: Solve for x
    x = 93,104,237,673.41/345,933.02
  6. Step 6: Final answer
    x = 269,139.49

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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.