Finding the Fourth Proportional to 168,487.62, 232,511.49 and 93,034.50
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Solution
The fourth proportional to 168,487.62, 232,511.49 and 93,034.50 is: 128,386.82
Step by Step Solution
- Step 1: Write the proportion equation
168,487.62 : 232,511.49 = 93,034.50 : x - Step 2: Convert to fraction form
168,487.62/232,511.49 = 93,034.50/x - Step 3: Cross multiply
168,487.62x = 232,511.49 × 93,034.50 - Step 4: Simplify right side
168,487.62x = 21,631,590,216.41 - Step 5: Solve for x
x = 21,631,590,216.41/168,487.62 - Step 6: Final answer
x = 128,386.82
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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.