Finding the Fourth Proportional to 354,579.62, 529,103.87 and 316,366.18
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Solution
The fourth proportional to 354,579.62, 529,103.87 and 316,366.18 is: 472,081.76
Step by Step Solution
- Step 1: Write the proportion equation
354,579.62 : 529,103.87 = 316,366.18 : x - Step 2: Convert to fraction form
354,579.62/529,103.87 = 316,366.18/x - Step 3: Cross multiply
354,579.62x = 529,103.87 × 316,366.18 - Step 4: Simplify right side
354,579.62x = 167,390,570,834.78 - Step 5: Solve for x
x = 167,390,570,834.78/354,579.62 - Step 6: Final answer
x = 472,081.76
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.