Finding the Fourth Proportional to 251,587.42, 377,381.14 and 172,461.76
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Solution
The fourth proportional to 251,587.42, 377,381.14 and 172,461.76 is: 258,692.65
Step by Step Solution
- Step 1: Write the proportion equation
251,587.42 : 377,381.14 = 172,461.76 : x - Step 2: Convert to fraction form
251,587.42/377,381.14 = 172,461.76/x - Step 3: Cross multiply
251,587.42x = 377,381.14 × 172,461.76 - Step 4: Simplify right side
251,587.42x = 65,083,815,595.21 - Step 5: Solve for x
x = 65,083,815,595.21/251,587.42 - Step 6: Final answer
x = 258,692.65
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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.