Finding the Fourth Proportional to 453,528.05, 680,390.48 and 137,976.75
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Solution
The fourth proportional to 453,528.05, 680,390.48 and 137,976.75 is: 206,995.07
Step by Step Solution
- Step 1: Write the proportion equation
453,528.05 : 680,390.48 = 137,976.75 : x - Step 2: Convert to fraction form
453,528.05/680,390.48 = 137,976.75/x - Step 3: Cross multiply
453,528.05x = 680,390.48 × 137,976.75 - Step 4: Simplify right side
453,528.05x = 93,878,067,506.28 - Step 5: Solve for x
x = 93,878,067,506.28/453,528.05 - Step 6: Final answer
x = 206,995.07
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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.