Finding the Fourth Proportional to 386,007.96, 578,814.42 and 161,307.02
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Solution
The fourth proportional to 386,007.96, 578,814.42 and 161,307.02 is: 241,877.99
Step by Step Solution
- Step 1: Write the proportion equation
386,007.96 : 578,814.42 = 161,307.02 : x - Step 2: Convert to fraction form
386,007.96/578,814.42 = 161,307.02/x - Step 3: Cross multiply
386,007.96x = 578,814.42 × 161,307.02 - Step 4: Simplify right side
386,007.96x = 93,366,829,223.23 - Step 5: Solve for x
x = 93,366,829,223.23/386,007.96 - Step 6: Final answer
x = 241,877.99
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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.