Finding the Fourth Proportional to 389,503.18, 584,330.51 and 149,599.53
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Solution
The fourth proportional to 389,503.18, 584,330.51 and 149,599.53 is: 224,428.39
Step by Step Solution
- Step 1: Write the proportion equation
389,503.18 : 584,330.51 = 149,599.53 : x - Step 2: Convert to fraction form
389,503.18/584,330.51 = 149,599.53/x - Step 3: Cross multiply
389,503.18x = 584,330.51 × 149,599.53 - Step 4: Simplify right side
389,503.18x = 87,415,569,660.66 - Step 5: Solve for x
x = 87,415,569,660.66/389,503.18 - Step 6: Final answer
x = 224,428.39
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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.