Home / 251,045.22-346,448.43-137,870.40

Finding the Fourth Proportional to 251,045.22, 346,448.43 and 137,870.40

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Solution

The fourth proportional to 251,045.22, 346,448.43 and 137,870.40 is: 190,264.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,045.22 : 346,448.43 = 137,870.40 : x
  2. Step 2: Convert to fraction form
    251,045.22/346,448.43 = 137,870.40/x
  3. Step 3: Cross multiply
    251,045.22x = 346,448.43 × 137,870.40
  4. Step 4: Simplify right side
    251,045.22x = 47,764,983,623.47
  5. Step 5: Solve for x
    x = 47,764,983,623.47/251,045.22
  6. Step 6: Final answer
    x = 190,264.46

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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.