Finding the Fourth Proportional to 314,708.10, 434,302.14 and 171,468.08
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Solution
The fourth proportional to 314,708.10, 434,302.14 and 171,468.08 is: 236,628.65
Step by Step Solution
- Step 1: Write the proportion equation
314,708.10 : 434,302.14 = 171,468.08 : x - Step 2: Convert to fraction form
314,708.10/434,302.14 = 171,468.08/x - Step 3: Cross multiply
314,708.10x = 434,302.14 × 171,468.08 - Step 4: Simplify right side
314,708.10x = 74,468,954,085.69 - Step 5: Solve for x
x = 74,468,954,085.69/314,708.10 - Step 6: Final answer
x = 236,628.65
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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.