Home / 304,795.76-420,613.70-168,829.26

Finding the Fourth Proportional to 304,795.76, 420,613.70 and 168,829.26

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Solution

The fourth proportional to 304,795.76, 420,613.70 and 168,829.26 is: 232,981.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,795.76 : 420,613.70 = 168,829.26 : x
  2. Step 2: Convert to fraction form
    304,795.76/420,613.70 = 168,829.26/x
  3. Step 3: Cross multiply
    304,795.76x = 420,613.70 × 168,829.26
  4. Step 4: Simplify right side
    304,795.76x = 71,011,900,138.94
  5. Step 5: Solve for x
    x = 71,011,900,138.94/304,795.76
  6. Step 6: Final answer
    x = 232,981.92

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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.