Finding the Fourth Proportional to 862,970.61, 1,294,474.37 and 223,288.14
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Solution
The fourth proportional to 862,970.61, 1,294,474.37 and 223,288.14 is: 334,936.99
Step by Step Solution
- Step 1: Write the proportion equation
862,970.61 : 1,294,474.37 = 223,288.14 : x - Step 2: Convert to fraction form
862,970.61/1,294,474.37 = 223,288.14/x - Step 3: Cross multiply
862,970.61x = 1,294,474.37 × 223,288.14 - Step 4: Simplify right side
862,970.61x = 289,040,778,092.81 - Step 5: Solve for x
x = 289,040,778,092.81/862,970.61 - Step 6: Final answer
x = 334,936.99
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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.