Finding the Fourth Proportional to 316,742.64, 475,183.08 and 106,375.02
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Solution
The fourth proportional to 316,742.64, 475,183.08 and 106,375.02 is: 159,585.74
Step by Step Solution
- Step 1: Write the proportion equation
316,742.64 : 475,183.08 = 106,375.02 : x - Step 2: Convert to fraction form
316,742.64/475,183.08 = 106,375.02/x - Step 3: Cross multiply
316,742.64x = 475,183.08 × 106,375.02 - Step 4: Simplify right side
316,742.64x = 50,547,609,638.66 - Step 5: Solve for x
x = 50,547,609,638.66/316,742.64 - Step 6: Final answer
x = 159,585.74
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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.