Finding the Fourth Proportional to 319,602.23, 479,278.78 and 119,813.63
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Solution
The fourth proportional to 319,602.23, 479,278.78 and 119,813.63 is: 179,673.75
Step by Step Solution
- Step 1: Write the proportion equation
319,602.23 : 479,278.78 = 119,813.63 : x - Step 2: Convert to fraction form
319,602.23/479,278.78 = 119,813.63/x - Step 3: Cross multiply
319,602.23x = 479,278.78 × 119,813.63 - Step 4: Simplify right side
319,602.23x = 57,424,130,413.77 - Step 5: Solve for x
x = 57,424,130,413.77/319,602.23 - Step 6: Final answer
x = 179,673.75
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1.5x scale
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.