Home / 404,382.78-558,050.09-223,094.64

Finding the Fourth Proportional to 404,382.78, 558,050.09 and 223,094.64

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Solution

The fourth proportional to 404,382.78, 558,050.09 and 223,094.64 is: 307,871.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,382.78 : 558,050.09 = 223,094.64 : x
  2. Step 2: Convert to fraction form
    404,382.78/558,050.09 = 223,094.64/x
  3. Step 3: Cross multiply
    404,382.78x = 558,050.09 × 223,094.64
  4. Step 4: Simplify right side
    404,382.78x = 124,497,980,024.79
  5. Step 5: Solve for x
    x = 124,497,980,024.79/404,382.78
  6. Step 6: Final answer
    x = 307,871.62

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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.