Finding the Fourth Proportional to 154,865.78, 232,364.01 and 84,663.08
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Solution
The fourth proportional to 154,865.78, 232,364.01 and 84,663.08 is: 127,030.34
Step by Step Solution
- Step 1: Write the proportion equation
154,865.78 : 232,364.01 = 84,663.08 : x - Step 2: Convert to fraction form
154,865.78/232,364.01 = 84,663.08/x - Step 3: Cross multiply
154,865.78x = 232,364.01 × 84,663.08 - Step 4: Simplify right side
154,865.78x = 19,672,652,767.75 - Step 5: Solve for x
x = 19,672,652,767.75/154,865.78 - Step 6: Final answer
x = 127,030.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.