Finding the Fourth Proportional to 317,752.68, 476,628.64 and 81,095.39
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Solution
The fourth proportional to 317,752.68, 476,628.64 and 81,095.39 is: 121,642.99
Step by Step Solution
- Step 1: Write the proportion equation
317,752.68 : 476,628.64 = 81,095.39 : x - Step 2: Convert to fraction form
317,752.68/476,628.64 = 81,095.39/x - Step 3: Cross multiply
317,752.68x = 476,628.64 × 81,095.39 - Step 4: Simplify right side
317,752.68x = 38,652,385,445.97 - Step 5: Solve for x
x = 38,652,385,445.97/317,752.68 - Step 6: Final answer
x = 121,642.99
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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.