Finding the Fourth Proportional to 197,712.53, 272,844.04 and 107,068.53
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Solution
The fourth proportional to 197,712.53, 272,844.04 and 107,068.53 is: 147,754.98
Step by Step Solution
- Step 1: Write the proportion equation
197,712.53 : 272,844.04 = 107,068.53 : x - Step 2: Convert to fraction form
197,712.53/272,844.04 = 107,068.53/x - Step 3: Cross multiply
197,712.53x = 272,844.04 × 107,068.53 - Step 4: Simplify right side
197,712.53x = 29,213,011,238.31 - Step 5: Solve for x
x = 29,213,011,238.31/197,712.53 - Step 6: Final answer
x = 147,754.98
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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.