Finding the Fourth Proportional to 571,583.68, 857,366.60 and 139,306.08
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Solution
The fourth proportional to 571,583.68, 857,366.60 and 139,306.08 is: 208,956.95
Step by Step Solution
- Step 1: Write the proportion equation
571,583.68 : 857,366.60 = 139,306.08 : x - Step 2: Convert to fraction form
571,583.68/857,366.60 = 139,306.08/x - Step 3: Cross multiply
571,583.68x = 857,366.60 × 139,306.08 - Step 4: Simplify right side
571,583.68x = 119,436,380,168.93 - Step 5: Solve for x
x = 119,436,380,168.93/571,583.68 - Step 6: Final answer
x = 208,956.95
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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.