Finding the Fourth Proportional to 156,737.24, 235,145.64 and 72,558.08
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Solution
The fourth proportional to 156,737.24, 235,145.64 and 72,558.08 is: 108,855.54
Step by Step Solution
- Step 1: Write the proportion equation
156,737.24 : 235,145.64 = 72,558.08 : x - Step 2: Convert to fraction form
156,737.24/235,145.64 = 72,558.08/x - Step 3: Cross multiply
156,737.24x = 235,145.64 × 72,558.08 - Step 4: Simplify right side
156,737.24x = 17,061,716,158.77 - Step 5: Solve for x
x = 17,061,716,158.77/156,737.24 - Step 6: Final answer
x = 108,855.54
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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.