Home / 222,519.45-333,779.10-147,785.51

Finding the Fourth Proportional to 222,519.45, 333,779.10 and 147,785.51

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Solution

The fourth proportional to 222,519.45, 333,779.10 and 147,785.51 is: 221,678.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,519.45 : 333,779.10 = 147,785.51 : x
  2. Step 2: Convert to fraction form
    222,519.45/333,779.10 = 147,785.51/x
  3. Step 3: Cross multiply
    222,519.45x = 333,779.10 × 147,785.51
  4. Step 4: Simplify right side
    222,519.45x = 49,327,712,851.95
  5. Step 5: Solve for x
    x = 49,327,712,851.95/222,519.45
  6. Step 6: Final answer
    x = 221,678.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.