Finding the Fourth Proportional to 154,644.08, 213,511.64 and 118,769.99
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Solution
The fourth proportional to 154,644.08, 213,511.64 and 118,769.99 is: 163,981.54
Step by Step Solution
- Step 1: Write the proportion equation
154,644.08 : 213,511.64 = 118,769.99 : x - Step 2: Convert to fraction form
154,644.08/213,511.64 = 118,769.99/x - Step 3: Cross multiply
154,644.08x = 213,511.64 × 118,769.99 - Step 4: Simplify right side
154,644.08x = 25,358,773,686.28 - Step 5: Solve for x
x = 25,358,773,686.28/154,644.08 - Step 6: Final answer
x = 163,981.54
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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.