Finding the Fourth Proportional to 251,742.84, 377,615.24 and 101,985.96
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Solution
The fourth proportional to 251,742.84, 377,615.24 and 101,985.96 is: 152,979.34
Step by Step Solution
- Step 1: Write the proportion equation
251,742.84 : 377,615.24 = 101,985.96 : x - Step 2: Convert to fraction form
251,742.84/377,615.24 = 101,985.96/x - Step 3: Cross multiply
251,742.84x = 377,615.24 × 101,985.96 - Step 4: Simplify right side
251,742.84x = 38,511,452,762.03 - Step 5: Solve for x
x = 38,511,452,762.03/251,742.84 - Step 6: Final answer
x = 152,979.34
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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.