Finding the Fourth Proportional to 503,137.15, 754,405.62 and 341,230.66
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Solution
The fourth proportional to 503,137.15, 754,405.62 and 341,230.66 is: 511,642.45
Step by Step Solution
- Step 1: Write the proportion equation
503,137.15 : 754,405.62 = 341,230.66 : x - Step 2: Convert to fraction form
503,137.15/754,405.62 = 341,230.66/x - Step 3: Cross multiply
503,137.15x = 754,405.62 × 341,230.66 - Step 4: Simplify right side
503,137.15x = 257,426,326,374.10 - Step 5: Solve for x
x = 257,426,326,374.10/503,137.15 - Step 6: Final answer
x = 511,642.45
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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.