Finding the Fourth Proportional to 524,861.70, 787,369.35 and 169,815.30
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Solution
The fourth proportional to 524,861.70, 787,369.35 and 169,815.30 is: 254,747.80
Step by Step Solution
- Step 1: Write the proportion equation
524,861.70 : 787,369.35 = 169,815.30 : x - Step 2: Convert to fraction form
524,861.70/787,369.35 = 169,815.30/x - Step 3: Cross multiply
524,861.70x = 787,369.35 × 169,815.30 - Step 4: Simplify right side
524,861.70x = 133,707,362,381.06 - Step 5: Solve for x
x = 133,707,362,381.06/524,861.70 - Step 6: Final answer
x = 254,747.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.