Home / 370,820.98-556,253.18-143,117.83

Finding the Fourth Proportional to 370,820.98, 556,253.18 and 143,117.83

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Solution

The fourth proportional to 370,820.98, 556,253.18 and 143,117.83 is: 214,685.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,820.98 : 556,253.18 = 143,117.83 : x
  2. Step 2: Convert to fraction form
    370,820.98/556,253.18 = 143,117.83/x
  3. Step 3: Cross multiply
    370,820.98x = 556,253.18 × 143,117.83
  4. Step 4: Simplify right side
    370,820.98x = 79,609,747,019.36
  5. Step 5: Solve for x
    x = 79,609,747,019.36/370,820.98
  6. Step 6: Final answer
    x = 214,685.12

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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.