Finding the Fourth Proportional to 393,983.26, 591,072.09 and 113,498.08
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Solution
The fourth proportional to 393,983.26, 591,072.09 and 113,498.08 is: 170,275.12
Step by Step Solution
- Step 1: Write the proportion equation
393,983.26 : 591,072.09 = 113,498.08 : x - Step 2: Convert to fraction form
393,983.26/591,072.09 = 113,498.08/x - Step 3: Cross multiply
393,983.26x = 591,072.09 × 113,498.08 - Step 4: Simplify right side
393,983.26x = 67,085,547,356.59 - Step 5: Solve for x
x = 67,085,547,356.59/393,983.26 - Step 6: Final answer
x = 170,275.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.