Finding the Fourth Proportional to 117,948.17, 162,763.29 and 64,229.99
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Solution
The fourth proportional to 117,948.17, 162,763.29 and 64,229.99 is: 88,634.55
Step by Step Solution
- Step 1: Write the proportion equation
117,948.17 : 162,763.29 = 64,229.99 : x - Step 2: Convert to fraction form
117,948.17/162,763.29 = 64,229.99/x - Step 3: Cross multiply
117,948.17x = 162,763.29 × 64,229.99 - Step 4: Simplify right side
117,948.17x = 10,454,283,675.25 - Step 5: Solve for x
x = 10,454,283,675.25/117,948.17 - Step 6: Final answer
x = 88,634.55
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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.