Finding the Fourth Proportional to 215,655.14, 297,605.27 and 125,064.81
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Solution
The fourth proportional to 215,655.14, 297,605.27 and 125,064.81 is: 172,590.12
Step by Step Solution
- Step 1: Write the proportion equation
215,655.14 : 297,605.27 = 125,064.81 : x - Step 2: Convert to fraction form
215,655.14/297,605.27 = 125,064.81/x - Step 3: Cross multiply
215,655.14x = 297,605.27 × 125,064.81 - Step 4: Simplify right side
215,655.14x = 37,219,946,860.21 - Step 5: Solve for x
x = 37,219,946,860.21/215,655.14 - Step 6: Final answer
x = 172,590.12
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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.