Home / 251,435.05-346,951.27-143,998.67

Finding the Fourth Proportional to 251,435.05, 346,951.27 and 143,998.67

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Solution

The fourth proportional to 251,435.05, 346,951.27 and 143,998.67 is: 198,701.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,435.05 : 346,951.27 = 143,998.67 : x
  2. Step 2: Convert to fraction form
    251,435.05/346,951.27 = 143,998.67/x
  3. Step 3: Cross multiply
    251,435.05x = 346,951.27 × 143,998.67
  4. Step 4: Simplify right side
    251,435.05x = 49,960,521,434.81
  5. Step 5: Solve for x
    x = 49,960,521,434.81/251,435.05
  6. Step 6: Final answer
    x = 198,701.50

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1.5x scale

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.