Finding the Fourth Proportional to 314,686.76, 434,263.68 and 171,446.92
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Solution
The fourth proportional to 314,686.76, 434,263.68 and 171,446.92 is: 236,594.54
Step by Step Solution
- Step 1: Write the proportion equation
314,686.76 : 434,263.68 = 171,446.92 : x - Step 2: Convert to fraction form
314,686.76/434,263.68 = 171,446.92/x - Step 3: Cross multiply
314,686.76x = 434,263.68 × 171,446.92 - Step 4: Simplify right side
314,686.76x = 74,453,169,318.21 - Step 5: Solve for x
x = 74,453,169,318.21/314,686.76 - Step 6: Final answer
x = 236,594.54
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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.