Home / 251,110.33-346,360.25-160,426.17

Finding the Fourth Proportional to 251,110.33, 346,360.25 and 160,426.17

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Solution

The fourth proportional to 251,110.33, 346,360.25 and 160,426.17 is: 221,278.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,110.33 : 346,360.25 = 160,426.17 : x
  2. Step 2: Convert to fraction form
    251,110.33/346,360.25 = 160,426.17/x
  3. Step 3: Cross multiply
    251,110.33x = 346,360.25 × 160,426.17
  4. Step 4: Simplify right side
    251,110.33x = 55,565,248,748.81
  5. Step 5: Solve for x
    x = 55,565,248,748.81/251,110.33
  6. Step 6: Final answer
    x = 221,278.23

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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.