Finding the Fourth Proportional to 319,850.73, 478,734.48 and 235,577.70
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Solution
The fourth proportional to 319,850.73, 478,734.48 and 235,577.70 is: 352,599.38
Step by Step Solution
- Step 1: Write the proportion equation
319,850.73 : 478,734.48 = 235,577.70 : x - Step 2: Convert to fraction form
319,850.73/478,734.48 = 235,577.70/x - Step 3: Cross multiply
319,850.73x = 478,734.48 × 235,577.70 - Step 4: Simplify right side
319,850.73x = 112,779,167,709.10 - Step 5: Solve for x
x = 112,779,167,709.10/319,850.73 - Step 6: Final answer
x = 352,599.38
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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.