Home / 374,365.46-516,730.32-221,456.82

Finding the Fourth Proportional to 374,365.46, 516,730.32 and 221,456.82

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Solution

The fourth proportional to 374,365.46, 516,730.32 and 221,456.82 is: 305,673.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,365.46 : 516,730.32 = 221,456.82 : x
  2. Step 2: Convert to fraction form
    374,365.46/516,730.32 = 221,456.82/x
  3. Step 3: Cross multiply
    374,365.46x = 516,730.32 × 221,456.82
  4. Step 4: Simplify right side
    374,365.46x = 114,433,452,495.91
  5. Step 5: Solve for x
    x = 114,433,452,495.91/374,365.46
  6. Step 6: Final answer
    x = 305,673.10

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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.