Finding the Fourth Proportional to 291,503.75, 402,375.94 and 170,683.88
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Solution
The fourth proportional to 291,503.75, 402,375.94 and 170,683.88 is: 235,602.75
Step by Step Solution
- Step 1: Write the proportion equation
291,503.75 : 402,375.94 = 170,683.88 : x - Step 2: Convert to fraction form
291,503.75/402,375.94 = 170,683.88/x - Step 3: Cross multiply
291,503.75x = 402,375.94 × 170,683.88 - Step 4: Simplify right side
291,503.75x = 68,679,084,219.26 - Step 5: Solve for x
x = 68,679,084,219.26/291,503.75 - Step 6: Final answer
x = 235,602.75
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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.