Finding the Fourth Proportional to 413,085.61, 569,736.75 and 298,792.99
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Solution
The fourth proportional to 413,085.61, 569,736.75 and 298,792.99 is: 412,101.86
Step by Step Solution
- Step 1: Write the proportion equation
413,085.61 : 569,736.75 = 298,792.99 : x - Step 2: Convert to fraction form
413,085.61/569,736.75 = 298,792.99/x - Step 3: Cross multiply
413,085.61x = 569,736.75 × 298,792.99 - Step 4: Simplify right side
413,085.61x = 170,233,347,045.38 - Step 5: Solve for x
x = 170,233,347,045.38/413,085.61 - Step 6: Final answer
x = 412,101.86
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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.