Finding the Fourth Proportional to 168,329.91, 232,296.08 and 92,878.41
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Solution
The fourth proportional to 168,329.91, 232,296.08 and 92,878.41 is: 128,172.65
Step by Step Solution
- Step 1: Write the proportion equation
168,329.91 : 232,296.08 = 92,878.41 : x - Step 2: Convert to fraction form
168,329.91/232,296.08 = 92,878.41/x - Step 3: Cross multiply
168,329.91x = 232,296.08 × 92,878.41 - Step 4: Simplify right side
168,329.91x = 21,575,290,095.24 - Step 5: Solve for x
x = 21,575,290,095.24/168,329.91 - Step 6: Final answer
x = 128,172.65
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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.