Finding the Fourth Proportional to 291,220.08, 436,829.60 and 91,557.88
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Solution
The fourth proportional to 291,220.08, 436,829.60 and 91,557.88 is: 137,336.66
Step by Step Solution
- Step 1: Write the proportion equation
291,220.08 : 436,829.60 = 91,557.88 : x - Step 2: Convert to fraction form
291,220.08/436,829.60 = 91,557.88/x - Step 3: Cross multiply
291,220.08x = 436,829.60 × 91,557.88 - Step 4: Simplify right side
291,220.08x = 39,995,192,097.25 - Step 5: Solve for x
x = 39,995,192,097.25/291,220.08 - Step 6: Final answer
x = 137,336.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.