Finding the Fourth Proportional to 343,084.66, 514,676.61 and 129,794.74
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Solution
The fourth proportional to 343,084.66, 514,676.61 and 129,794.74 is: 194,710.88
Step by Step Solution
- Step 1: Write the proportion equation
343,084.66 : 514,676.61 = 129,794.74 : x - Step 2: Convert to fraction form
343,084.66/514,676.61 = 129,794.74/x - Step 3: Cross multiply
343,084.66x = 514,676.61 × 129,794.74 - Step 4: Simplify right side
343,084.66x = 66,802,316,779.03 - Step 5: Solve for x
x = 66,802,316,779.03/343,084.66 - Step 6: Final answer
x = 194,710.88
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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.