Finding the Fourth Proportional to 291,770.49, 402,582.21 and 177,109.12
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Solution
The fourth proportional to 291,770.49, 402,582.21 and 177,109.12 is: 244,373.52
Step by Step Solution
- Step 1: Write the proportion equation
291,770.49 : 402,582.21 = 177,109.12 : x - Step 2: Convert to fraction form
291,770.49/402,582.21 = 177,109.12/x - Step 3: Cross multiply
291,770.49x = 402,582.21 × 177,109.12 - Step 4: Simplify right side
291,770.49x = 71,300,980,940.76 - Step 5: Solve for x
x = 71,300,980,940.76/291,770.49 - Step 6: Final answer
x = 244,373.52
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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.