Finding the Fourth Proportional to 291,829.18, 402,750.74 and 177,137.09
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Solution
The fourth proportional to 291,829.18, 402,750.74 and 177,137.09 is: 244,465.26
Step by Step Solution
- Step 1: Write the proportion equation
291,829.18 : 402,750.74 = 177,137.09 : x - Step 2: Convert to fraction form
291,829.18/402,750.74 = 177,137.09/x - Step 3: Cross multiply
291,829.18x = 402,750.74 × 177,137.09 - Step 4: Simplify right side
291,829.18x = 71,342,094,833.82 - Step 5: Solve for x
x = 71,342,094,833.82/291,829.18 - Step 6: Final answer
x = 244,465.26
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1.5x scale
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.