Finding the Fourth Proportional to 179,342.19, 247,482.73 and 102,857.35
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Solution
The fourth proportional to 179,342.19, 247,482.73 and 102,857.35 is: 141,937.70
Step by Step Solution
- Step 1: Write the proportion equation
179,342.19 : 247,482.73 = 102,857.35 : x - Step 2: Convert to fraction form
179,342.19/247,482.73 = 102,857.35/x - Step 3: Cross multiply
179,342.19x = 247,482.73 × 102,857.35 - Step 4: Simplify right side
179,342.19x = 25,455,417,830.78 - Step 5: Solve for x
x = 25,455,417,830.78/179,342.19 - Step 6: Final answer
x = 141,937.70
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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.