Home / 282,860.42-390,343.06-153,797.86

Finding the Fourth Proportional to 282,860.42, 390,343.06 and 153,797.86

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Solution

The fourth proportional to 282,860.42, 390,343.06 and 153,797.86 is: 212,238.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,860.42 : 390,343.06 = 153,797.86 : x
  2. Step 2: Convert to fraction form
    282,860.42/390,343.06 = 153,797.86/x
  3. Step 3: Cross multiply
    282,860.42x = 390,343.06 × 153,797.86
  4. Step 4: Simplify right side
    282,860.42x = 60,033,924,573.15
  5. Step 5: Solve for x
    x = 60,033,924,573.15/282,860.42
  6. Step 6: Final answer
    x = 212,238.69

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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.