Home / 438,020.31-604,468.94-236,816.31

Finding the Fourth Proportional to 438,020.31, 604,468.94 and 236,816.31

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Solution

The fourth proportional to 438,020.31, 604,468.94 and 236,816.31 is: 326,807.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,020.31 : 604,468.94 = 236,816.31 : x
  2. Step 2: Convert to fraction form
    438,020.31/604,468.94 = 236,816.31/x
  3. Step 3: Cross multiply
    438,020.31x = 604,468.94 × 236,816.31
  4. Step 4: Simplify right side
    438,020.31x = 143,148,103,880.41
  5. Step 5: Solve for x
    x = 143,148,103,880.41/438,020.31
  6. Step 6: Final answer
    x = 326,807.00

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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.