Finding the Fourth Proportional to 314,914.77, 434,451.53 and 185,801.99
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Solution
The fourth proportional to 314,914.77, 434,451.53 and 185,801.99 is: 256,329.54
Step by Step Solution
- Step 1: Write the proportion equation
314,914.77 : 434,451.53 = 185,801.99 : x - Step 2: Convert to fraction form
314,914.77/434,451.53 = 185,801.99/x - Step 3: Cross multiply
314,914.77x = 434,451.53 × 185,801.99 - Step 4: Simplify right side
314,914.77x = 80,721,957,124.79 - Step 5: Solve for x
x = 80,721,957,124.79/314,914.77 - Step 6: Final answer
x = 256,329.54
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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.