Finding the Fourth Proportional to 266,437.92, 399,569.40 and 88,897.26
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Solution
The fourth proportional to 266,437.92, 399,569.40 and 88,897.26 is: 133,316.70
Step by Step Solution
- Step 1: Write the proportion equation
266,437.92 : 399,569.40 = 88,897.26 : x - Step 2: Convert to fraction form
266,437.92/399,569.40 = 88,897.26/x - Step 3: Cross multiply
266,437.92x = 399,569.40 × 88,897.26 - Step 4: Simplify right side
266,437.92x = 35,520,624,839.84 - Step 5: Solve for x
x = 35,520,624,839.84/266,437.92 - Step 6: Final answer
x = 133,316.70
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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.