Finding the Fourth Proportional to 374,484.13, 561,713.88 and 149,784.26
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Solution
The fourth proportional to 374,484.13, 561,713.88 and 149,784.26 is: 224,671.46
Step by Step Solution
- Step 1: Write the proportion equation
374,484.13 : 561,713.88 = 149,784.26 : x - Step 2: Convert to fraction form
374,484.13/561,713.88 = 149,784.26/x - Step 3: Cross multiply
374,484.13x = 561,713.88 × 149,784.26 - Step 4: Simplify right side
374,484.13x = 84,135,895,600.65 - Step 5: Solve for x
x = 84,135,895,600.65/374,484.13 - Step 6: Final answer
x = 224,671.46
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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.