Finding the Fourth Proportional to 143,377.99, 215,053.08 and 43,539.05
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Solution
The fourth proportional to 143,377.99, 215,053.08 and 43,539.05 is: 65,304.35
Step by Step Solution
- Step 1: Write the proportion equation
143,377.99 : 215,053.08 = 43,539.05 : x - Step 2: Convert to fraction form
143,377.99/215,053.08 = 43,539.05/x - Step 3: Cross multiply
143,377.99x = 215,053.08 × 43,539.05 - Step 4: Simplify right side
143,377.99x = 9,363,206,802.77 - Step 5: Solve for x
x = 9,363,206,802.77/143,377.99 - Step 6: Final answer
x = 65,304.35
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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.