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Finding the Fourth Proportional to 404,703.02, 558,494.69 and 223,415.04

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Solution

The fourth proportional to 404,703.02, 558,494.69 and 223,415.04 is: 308,315.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,703.02 : 558,494.69 = 223,415.04 : x
  2. Step 2: Convert to fraction form
    404,703.02/558,494.69 = 223,415.04/x
  3. Step 3: Cross multiply
    404,703.02x = 558,494.69 × 223,415.04
  4. Step 4: Simplify right side
    404,703.02x = 124,776,112,389.06
  5. Step 5: Solve for x
    x = 124,776,112,389.06/404,703.02
  6. Step 6: Final answer
    x = 308,315.25

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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.