Finding the Fourth Proportional to 157,235.32, 216,950.94 and 93,560.68
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Solution
The fourth proportional to 157,235.32, 216,950.94 and 93,560.68 is: 129,093.63
Step by Step Solution
- Step 1: Write the proportion equation
157,235.32 : 216,950.94 = 93,560.68 : x - Step 2: Convert to fraction form
157,235.32/216,950.94 = 93,560.68/x - Step 3: Cross multiply
157,235.32x = 216,950.94 × 93,560.68 - Step 4: Simplify right side
157,235.32x = 20,298,077,473.04 - Step 5: Solve for x
x = 20,298,077,473.04/157,235.32 - Step 6: Final answer
x = 129,093.63
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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.