Finding the Fourth Proportional to 603,967.70, 905,948.19 and 154,687.70
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Solution
The fourth proportional to 603,967.70, 905,948.19 and 154,687.70 is: 232,030.69
Step by Step Solution
- Step 1: Write the proportion equation
603,967.70 : 905,948.19 = 154,687.70 : x - Step 2: Convert to fraction form
603,967.70/905,948.19 = 154,687.70/x - Step 3: Cross multiply
603,967.70x = 905,948.19 × 154,687.70 - Step 4: Simplify right side
603,967.70x = 140,139,041,830.26 - Step 5: Solve for x
x = 140,139,041,830.26/603,967.70 - Step 6: Final answer
x = 232,030.69
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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.