Finding the Fourth Proportional to 523,281.18, 722,135.60 and 293,888.12
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Solution
The fourth proportional to 523,281.18, 722,135.60 and 293,888.12 is: 405,569.86
Step by Step Solution
- Step 1: Write the proportion equation
523,281.18 : 722,135.60 = 293,888.12 : x - Step 2: Convert to fraction form
523,281.18/722,135.60 = 293,888.12/x - Step 3: Cross multiply
523,281.18x = 722,135.60 × 293,888.12 - Step 4: Simplify right side
523,281.18x = 212,227,073,869.07 - Step 5: Solve for x
x = 212,227,073,869.07/523,281.18 - Step 6: Final answer
x = 405,569.86
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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.