Home / 251,263.47-346,767.98-143,848.83

Finding the Fourth Proportional to 251,263.47, 346,767.98 and 143,848.83

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Solution

The fourth proportional to 251,263.47, 346,767.98 and 143,848.83 is: 198,525.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,263.47 : 346,767.98 = 143,848.83 : x
  2. Step 2: Convert to fraction form
    251,263.47/346,767.98 = 143,848.83/x
  3. Step 3: Cross multiply
    251,263.47x = 346,767.98 × 143,848.83
  4. Step 4: Simplify right side
    251,263.47x = 49,882,167,485.22
  5. Step 5: Solve for x
    x = 49,882,167,485.22/251,263.47
  6. Step 6: Final answer
    x = 198,525.35

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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.