Finding the Fourth Proportional to 176,286.86, 243,476.17 and 118,827.08
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Solution
The fourth proportional to 176,286.86, 243,476.17 and 118,827.08 is: 164,116.39
Step by Step Solution
- Step 1: Write the proportion equation
176,286.86 : 243,476.17 = 118,827.08 : x - Step 2: Convert to fraction form
176,286.86/243,476.17 = 118,827.08/x - Step 3: Cross multiply
176,286.86x = 243,476.17 × 118,827.08 - Step 4: Simplify right side
176,286.86x = 28,931,562,939.37 - Step 5: Solve for x
x = 28,931,562,939.37/176,286.86 - Step 6: Final answer
x = 164,116.39
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1.5x scale
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.