Finding the Fourth Proportional to 152,723.16, 228,992.67 and 68,468.09
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Solution
The fourth proportional to 152,723.16, 228,992.67 and 68,468.09 is: 102,660.85
Step by Step Solution
- Step 1: Write the proportion equation
152,723.16 : 228,992.67 = 68,468.09 : x - Step 2: Convert to fraction form
152,723.16/228,992.67 = 68,468.09/x - Step 3: Cross multiply
152,723.16x = 228,992.67 × 68,468.09 - Step 4: Simplify right side
152,723.16x = 15,678,689,593.94 - Step 5: Solve for x
x = 15,678,689,593.94/152,723.16 - Step 6: Final answer
x = 102,660.85
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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.