Finding the Fourth Proportional to 343,082.66, 514,673.61 and 129,792.74
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Solution
The fourth proportional to 343,082.66, 514,673.61 and 129,792.74 is: 194,707.88
Step by Step Solution
- Step 1: Write the proportion equation
343,082.66 : 514,673.61 = 129,792.74 : x - Step 2: Convert to fraction form
343,082.66/514,673.61 = 129,792.74/x - Step 3: Cross multiply
343,082.66x = 514,673.61 × 129,792.74 - Step 4: Simplify right side
343,082.66x = 66,800,898,047.59 - Step 5: Solve for x
x = 66,800,898,047.59/343,082.66 - Step 6: Final answer
x = 194,707.88
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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.