Finding the Fourth Proportional to 115,175.18, 172,474.14 and 72,927.84
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Solution
The fourth proportional to 115,175.18, 172,474.14 and 72,927.84 is: 109,209.00
Step by Step Solution
- Step 1: Write the proportion equation
115,175.18 : 172,474.14 = 72,927.84 : x - Step 2: Convert to fraction form
115,175.18/172,474.14 = 72,927.84/x - Step 3: Cross multiply
115,175.18x = 172,474.14 × 72,927.84 - Step 4: Simplify right side
115,175.18x = 12,578,166,486.06 - Step 5: Solve for x
x = 12,578,166,486.06/115,175.18 - Step 6: Final answer
x = 109,209.00
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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.