Home / 370,742.80-556,114.20-331,376.80

Finding the Fourth Proportional to 370,742.80, 556,114.20 and 331,376.80

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Solution

The fourth proportional to 370,742.80, 556,114.20 and 331,376.80 is: 497,065.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,742.80 : 556,114.20 = 331,376.80 : x
  2. Step 2: Convert to fraction form
    370,742.80/556,114.20 = 331,376.80/x
  3. Step 3: Cross multiply
    370,742.80x = 556,114.20 × 331,376.80
  4. Step 4: Simplify right side
    370,742.80x = 184,283,344,030.56
  5. Step 5: Solve for x
    x = 184,283,344,030.56/370,742.80
  6. Step 6: Final answer
    x = 497,065.20

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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.