Finding the Fourth Proportional to 316,802.13, 437,183.29 and 171,605.14
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Solution
The fourth proportional to 316,802.13, 437,183.29 and 171,605.14 is: 236,813.12
Step by Step Solution
- Step 1: Write the proportion equation
316,802.13 : 437,183.29 = 171,605.14 : x - Step 2: Convert to fraction form
316,802.13/437,183.29 = 171,605.14/x - Step 3: Cross multiply
316,802.13x = 437,183.29 × 171,605.14 - Step 4: Simplify right side
316,802.13x = 75,022,898,807.66 - Step 5: Solve for x
x = 75,022,898,807.66/316,802.13 - Step 6: Final answer
x = 236,813.12
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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.