Finding the Fourth Proportional to 765,653.99, 1,148,393.36 and 204,732.23
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Solution
The fourth proportional to 765,653.99, 1,148,393.36 and 204,732.23 is: 307,074.91
Step by Step Solution
- Step 1: Write the proportion equation
765,653.99 : 1,148,393.36 = 204,732.23 : x - Step 2: Convert to fraction form
765,653.99/1,148,393.36 = 204,732.23/x - Step 3: Cross multiply
765,653.99x = 1,148,393.36 × 204,732.23 - Step 4: Simplify right side
765,653.99x = 235,113,133,509.99 - Step 5: Solve for x
x = 235,113,133,509.99/765,653.99 - Step 6: Final answer
x = 307,074.91
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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.