Finding the Fourth Proportional to 282,110.24, 389,337.36 and 154,810.64
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Solution
The fourth proportional to 282,110.24, 389,337.36 and 154,810.64 is: 213,652.53
Step by Step Solution
- Step 1: Write the proportion equation
282,110.24 : 389,337.36 = 154,810.64 : x - Step 2: Convert to fraction form
282,110.24/389,337.36 = 154,810.64/x - Step 3: Cross multiply
282,110.24x = 389,337.36 × 154,810.64 - Step 4: Simplify right side
282,110.24x = 60,273,565,877.51 - Step 5: Solve for x
x = 60,273,565,877.51/282,110.24 - Step 6: Final answer
x = 213,652.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.