Finding the Fourth Proportional to 403,787.36, 604,904.80 and 225,754.44
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Solution
The fourth proportional to 403,787.36, 604,904.80 and 225,754.44 is: 338,197.67
Step by Step Solution
- Step 1: Write the proportion equation
403,787.36 : 604,904.80 = 225,754.44 : x - Step 2: Convert to fraction form
403,787.36/604,904.80 = 225,754.44/x - Step 3: Cross multiply
403,787.36x = 604,904.80 × 225,754.44 - Step 4: Simplify right side
403,787.36x = 136,559,944,377.31 - Step 5: Solve for x
x = 136,559,944,377.31/403,787.36 - Step 6: Final answer
x = 338,197.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.