Finding the Fourth Proportional to 291,204.59, 436,785.82 and 91,582.08
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Solution
The fourth proportional to 291,204.59, 436,785.82 and 91,582.08 is: 137,366.49
Step by Step Solution
- Step 1: Write the proportion equation
291,204.59 : 436,785.82 = 91,582.08 : x - Step 2: Convert to fraction form
291,204.59/436,785.82 = 91,582.08/x - Step 3: Cross multiply
291,204.59x = 436,785.82 × 91,582.08 - Step 4: Simplify right side
291,204.59x = 40,001,752,043.20 - Step 5: Solve for x
x = 40,001,752,043.20/291,204.59 - Step 6: Final answer
x = 137,366.49
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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.