Finding the Fourth Proportional to 311,853.49, 467,837.93 and 98,675.06
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Solution
The fourth proportional to 311,853.49, 467,837.93 and 98,675.06 is: 148,030.85
Step by Step Solution
- Step 1: Write the proportion equation
311,853.49 : 467,837.93 = 98,675.06 : x - Step 2: Convert to fraction form
311,853.49/467,837.93 = 98,675.06/x - Step 3: Cross multiply
311,853.49x = 467,837.93 × 98,675.06 - Step 4: Simplify right side
311,853.49x = 46,163,935,813.03 - Step 5: Solve for x
x = 46,163,935,813.03/311,853.49 - Step 6: Final answer
x = 148,030.85
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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.