Finding the Fourth Proportional to 316,696.64, 475,114.08 and 106,329.02
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Solution
The fourth proportional to 316,696.64, 475,114.08 and 106,329.02 is: 159,516.74
Step by Step Solution
- Step 1: Write the proportion equation
316,696.64 : 475,114.08 = 106,329.02 : x - Step 2: Convert to fraction form
316,696.64/475,114.08 = 106,329.02/x - Step 3: Cross multiply
316,696.64x = 475,114.08 × 106,329.02 - Step 4: Simplify right side
316,696.64x = 50,518,414,514.60 - Step 5: Solve for x
x = 50,518,414,514.60/316,696.64 - Step 6: Final answer
x = 159,516.74
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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.