Finding the Fourth Proportional to 355,306.40, 532,935.30 and 115,416.80
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Solution
The fourth proportional to 355,306.40, 532,935.30 and 115,416.80 is: 173,117.31
Step by Step Solution
- Step 1: Write the proportion equation
355,306.40 : 532,935.30 = 115,416.80 : x - Step 2: Convert to fraction form
355,306.40/532,935.30 = 115,416.80/x - Step 3: Cross multiply
355,306.40x = 532,935.30 × 115,416.80 - Step 4: Simplify right side
355,306.40x = 61,509,686,933.04 - Step 5: Solve for x
x = 61,509,686,933.04/355,306.40 - Step 6: Final answer
x = 173,117.31
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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.