Finding the Fourth Proportional to 205,063.80, 307,595.70 and 115,014.08
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Solution
The fourth proportional to 205,063.80, 307,595.70 and 115,014.08 is: 172,521.11
Step by Step Solution
- Step 1: Write the proportion equation
205,063.80 : 307,595.70 = 115,014.08 : x - Step 2: Convert to fraction form
205,063.80/307,595.70 = 115,014.08/x - Step 3: Cross multiply
205,063.80x = 307,595.70 × 115,014.08 - Step 4: Simplify right side
205,063.80x = 35,377,834,909.48 - Step 5: Solve for x
x = 35,377,834,909.48/205,063.80 - Step 6: Final answer
x = 172,521.11
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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.