Finding the Fourth Proportional to 228,931.24, 343,350.10 and 86,727.49
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Solution
The fourth proportional to 228,931.24, 343,350.10 and 86,727.49 is: 130,073.52
Step by Step Solution
- Step 1: Write the proportion equation
228,931.24 : 343,350.10 = 86,727.49 : x - Step 2: Convert to fraction form
228,931.24/343,350.10 = 86,727.49/x - Step 3: Cross multiply
228,931.24x = 343,350.10 × 86,727.49 - Step 4: Simplify right side
228,931.24x = 29,777,892,364.25 - Step 5: Solve for x
x = 29,777,892,364.25/228,931.24 - Step 6: Final answer
x = 130,073.52
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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.