Home / 286,740.81-430,198.70-146,597.85

Finding the Fourth Proportional to 286,740.81, 430,198.70 and 146,597.85

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Solution

The fourth proportional to 286,740.81, 430,198.70 and 146,597.85 is: 219,941.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,740.81 : 430,198.70 = 146,597.85 : x
  2. Step 2: Convert to fraction form
    286,740.81/430,198.70 = 146,597.85/x
  3. Step 3: Cross multiply
    286,740.81x = 430,198.70 × 146,597.85
  4. Step 4: Simplify right side
    286,740.81x = 63,066,204,492.80
  5. Step 5: Solve for x
    x = 63,066,204,492.80/286,740.81
  6. Step 6: Final answer
    x = 219,941.50

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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.