Home / 404,653.02-558,421.08-223,364.91

Finding the Fourth Proportional to 404,653.02, 558,421.08 and 223,364.91

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Solution

The fourth proportional to 404,653.02, 558,421.08 and 223,364.91 is: 308,243.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,653.02 : 558,421.08 = 223,364.91 : x
  2. Step 2: Convert to fraction form
    404,653.02/558,421.08 = 223,364.91/x
  3. Step 3: Cross multiply
    404,653.02x = 558,421.08 × 223,364.91
  4. Step 4: Simplify right side
    404,653.02x = 124,731,674,276.30
  5. Step 5: Solve for x
    x = 124,731,674,276.30/404,653.02
  6. Step 6: Final answer
    x = 308,243.53

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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.