Finding the Fourth Proportional to 423,557.88, 635,185.08 and 153,617.82
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Solution
The fourth proportional to 423,557.88, 635,185.08 and 153,617.82 is: 230,371.70
Step by Step Solution
- Step 1: Write the proportion equation
423,557.88 : 635,185.08 = 153,617.82 : x - Step 2: Convert to fraction form
423,557.88/635,185.08 = 153,617.82/x - Step 3: Cross multiply
423,557.88x = 635,185.08 × 153,617.82 - Step 4: Simplify right side
423,557.88x = 97,575,747,286.13 - Step 5: Solve for x
x = 97,575,747,286.13/423,557.88 - Step 6: Final answer
x = 230,371.70
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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.