Home / 286,739.81-430,197.20-146,596.85

Finding the Fourth Proportional to 286,739.81, 430,197.20 and 146,596.85

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Solution

The fourth proportional to 286,739.81, 430,197.20 and 146,596.85 is: 219,940.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,739.81 : 430,197.20 = 146,596.85 : x
  2. Step 2: Convert to fraction form
    286,739.81/430,197.20 = 146,596.85/x
  3. Step 3: Cross multiply
    286,739.81x = 430,197.20 × 146,596.85
  4. Step 4: Simplify right side
    286,739.81x = 63,065,551,514.85
  5. Step 5: Solve for x
    x = 63,065,551,514.85/286,739.81
  6. Step 6: Final answer
    x = 219,940.00

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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.