Home / 401,838.17-554,536.26-220,550.58

Finding the Fourth Proportional to 401,838.17, 554,536.26 and 220,550.58

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Solution

The fourth proportional to 401,838.17, 554,536.26 and 220,550.58 is: 304,359.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,838.17 : 554,536.26 = 220,550.58 : x
  2. Step 2: Convert to fraction form
    401,838.17/554,536.26 = 220,550.58/x
  3. Step 3: Cross multiply
    401,838.17x = 554,536.26 × 220,550.58
  4. Step 4: Simplify right side
    401,838.17x = 122,303,293,774.03
  5. Step 5: Solve for x
    x = 122,303,293,774.03/401,838.17
  6. Step 6: Final answer
    x = 304,359.58

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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.