Finding the Fourth Proportional to 314,407.84, 433,939.41 and 185,338.62
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Solution
The fourth proportional to 314,407.84, 433,939.41 and 185,338.62 is: 255,800.66
Step by Step Solution
- Step 1: Write the proportion equation
314,407.84 : 433,939.41 = 185,338.62 : x - Step 2: Convert to fraction form
314,407.84/433,939.41 = 185,338.62/x - Step 3: Cross multiply
314,407.84x = 433,939.41 × 185,338.62 - Step 4: Simplify right side
314,407.84x = 80,425,731,413.01 - Step 5: Solve for x
x = 80,425,731,413.01/314,407.84 - Step 6: Final answer
x = 255,800.66
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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.