Home / 251,384.42-346,812.35-143,897.01

Finding the Fourth Proportional to 251,384.42, 346,812.35 and 143,897.01

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Solution

The fourth proportional to 251,384.42, 346,812.35 and 143,897.01 is: 198,521.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,384.42 : 346,812.35 = 143,897.01 : x
  2. Step 2: Convert to fraction form
    251,384.42/346,812.35 = 143,897.01/x
  3. Step 3: Cross multiply
    251,384.42x = 346,812.35 × 143,897.01
  4. Step 4: Simplify right side
    251,384.42x = 49,905,259,476.59
  5. Step 5: Solve for x
    x = 49,905,259,476.59/251,384.42
  6. Step 6: Final answer
    x = 198,521.69

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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.