Finding the Fourth Proportional to 415,683.40, 573,643.26 and 224,696.79
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Solution
The fourth proportional to 415,683.40, 573,643.26 and 224,696.79 is: 310,081.66
Step by Step Solution
- Step 1: Write the proportion equation
415,683.40 : 573,643.26 = 224,696.79 : x - Step 2: Convert to fraction form
415,683.40/573,643.26 = 224,696.79/x - Step 3: Cross multiply
415,683.40x = 573,643.26 × 224,696.79 - Step 4: Simplify right side
415,683.40x = 128,895,799,127.14 - Step 5: Solve for x
x = 128,895,799,127.14/415,683.40 - Step 6: Final answer
x = 310,081.66
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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.