Finding the Fourth Proportional to 374,279.18, 561,421.20 and 149,658.49
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Solution
The fourth proportional to 374,279.18, 561,421.20 and 149,658.49 is: 224,488.70
Step by Step Solution
- Step 1: Write the proportion equation
374,279.18 : 561,421.20 = 149,658.49 : x - Step 2: Convert to fraction form
374,279.18/561,421.20 = 149,658.49/x - Step 3: Cross multiply
374,279.18x = 561,421.20 × 149,658.49 - Step 4: Simplify right side
374,279.18x = 84,021,447,642.44 - Step 5: Solve for x
x = 84,021,447,642.44/374,279.18 - Step 6: Final answer
x = 224,488.70
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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.