Finding the Fourth Proportional to 286,652.64, 395,475.84 and 173,434.08
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Solution
The fourth proportional to 286,652.64, 395,475.84 and 173,434.08 is: 239,275.62
Step by Step Solution
- Step 1: Write the proportion equation
286,652.64 : 395,475.84 = 173,434.08 : x - Step 2: Convert to fraction form
286,652.64/395,475.84 = 173,434.08/x - Step 3: Cross multiply
286,652.64x = 395,475.84 × 173,434.08 - Step 4: Simplify right side
286,652.64x = 68,588,988,472.63 - Step 5: Solve for x
x = 68,588,988,472.63/286,652.64 - Step 6: Final answer
x = 239,275.62
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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.