Finding the Fourth Proportional to 314,660.16, 434,228.84 and 171,420.28
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Solution
The fourth proportional to 314,660.16, 434,228.84 and 171,420.28 is: 236,558.80
Step by Step Solution
- Step 1: Write the proportion equation
314,660.16 : 434,228.84 = 171,420.28 : x - Step 2: Convert to fraction form
314,660.16/434,228.84 = 171,420.28/x - Step 3: Cross multiply
314,660.16x = 434,228.84 × 171,420.28 - Step 4: Simplify right side
314,660.16x = 74,435,629,336.88 - Step 5: Solve for x
x = 74,435,629,336.88/314,660.16 - Step 6: Final answer
x = 236,558.80
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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.