Home / 286,261.86-429,465.24-202,186.20

Finding the Fourth Proportional to 286,261.86, 429,465.24 and 202,186.20

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Solution

The fourth proportional to 286,261.86, 429,465.24 and 202,186.20 is: 303,330.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,261.86 : 429,465.24 = 202,186.20 : x
  2. Step 2: Convert to fraction form
    286,261.86/429,465.24 = 202,186.20/x
  3. Step 3: Cross multiply
    286,261.86x = 429,465.24 × 202,186.20
  4. Step 4: Simplify right side
    286,261.86x = 86,831,944,907.69
  5. Step 5: Solve for x
    x = 86,831,944,907.69/286,261.86
  6. Step 6: Final answer
    x = 303,330.47

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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.