Finding the Fourth Proportional to 215,762.99, 297,746.73 and 120,267.63
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Solution
The fourth proportional to 215,762.99, 297,746.73 and 120,267.63 is: 165,965.88
Step by Step Solution
- Step 1: Write the proportion equation
215,762.99 : 297,746.73 = 120,267.63 : x - Step 2: Convert to fraction form
215,762.99/297,746.73 = 120,267.63/x - Step 3: Cross multiply
215,762.99x = 297,746.73 × 120,267.63 - Step 4: Simplify right side
215,762.99x = 35,809,293,700.38 - Step 5: Solve for x
x = 35,809,293,700.38/215,762.99 - Step 6: Final answer
x = 165,965.88
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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.