Finding the Fourth Proportional to 316,696.23, 437,024.43 and 173,428.63
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Solution
The fourth proportional to 316,696.23, 437,024.43 and 173,428.63 is: 239,322.54
Step by Step Solution
- Step 1: Write the proportion equation
316,696.23 : 437,024.43 = 173,428.63 : x - Step 2: Convert to fraction form
316,696.23/437,024.43 = 173,428.63/x - Step 3: Cross multiply
316,696.23x = 437,024.43 × 173,428.63 - Step 4: Simplify right side
316,696.23x = 75,792,547,078.87 - Step 5: Solve for x
x = 75,792,547,078.87/316,696.23 - Step 6: Final answer
x = 239,322.54
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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.