Home / 371,408.79-556,904.07-118,629.90

Finding the Fourth Proportional to 371,408.79, 556,904.07 and 118,629.90

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Solution

The fourth proportional to 371,408.79, 556,904.07 and 118,629.90 is: 177,878.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,408.79 : 556,904.07 = 118,629.90 : x
  2. Step 2: Convert to fraction form
    371,408.79/556,904.07 = 118,629.90/x
  3. Step 3: Cross multiply
    371,408.79x = 556,904.07 × 118,629.90
  4. Step 4: Simplify right side
    371,408.79x = 66,065,474,133.69
  5. Step 5: Solve for x
    x = 66,065,474,133.69/371,408.79
  6. Step 6: Final answer
    x = 177,878.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.