Finding the Fourth Proportional to 160,718.78, 241,031.68 and 54,090.98
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Solution
The fourth proportional to 160,718.78, 241,031.68 and 54,090.98 is: 81,120.82
Step by Step Solution
- Step 1: Write the proportion equation
160,718.78 : 241,031.68 = 54,090.98 : x - Step 2: Convert to fraction form
160,718.78/241,031.68 = 54,090.98/x - Step 3: Cross multiply
160,718.78x = 241,031.68 × 54,090.98 - Step 4: Simplify right side
160,718.78x = 13,037,639,782.25 - Step 5: Solve for x
x = 13,037,639,782.25/160,718.78 - Step 6: Final answer
x = 81,120.82
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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.