Finding the Fourth Proportional to 296,101.53, 408,618.93 and 160,135.62
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Solution
The fourth proportional to 296,101.53, 408,618.93 and 160,135.62 is: 220,986.51
Step by Step Solution
- Step 1: Write the proportion equation
296,101.53 : 408,618.93 = 160,135.62 : x - Step 2: Convert to fraction form
296,101.53/408,618.93 = 160,135.62/x - Step 3: Cross multiply
296,101.53x = 408,618.93 × 160,135.62 - Step 4: Simplify right side
296,101.53x = 65,434,443,566.46 - Step 5: Solve for x
x = 65,434,443,566.46/296,101.53 - Step 6: Final answer
x = 220,986.51
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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.