Finding the Fourth Proportional to 316,738.64, 475,177.08 and 106,371.02
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Solution
The fourth proportional to 316,738.64, 475,177.08 and 106,371.02 is: 159,579.74
Step by Step Solution
- Step 1: Write the proportion equation
316,738.64 : 475,177.08 = 106,371.02 : x - Step 2: Convert to fraction form
316,738.64/475,177.08 = 106,371.02/x - Step 3: Cross multiply
316,738.64x = 475,177.08 × 106,371.02 - Step 4: Simplify right side
316,738.64x = 50,545,070,680.22 - Step 5: Solve for x
x = 50,545,070,680.22/316,738.64 - Step 6: Final answer
x = 159,579.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.