Finding the Fourth Proportional to 496,408.71, 744,490.05 and 141,425.81
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Solution
The fourth proportional to 496,408.71, 744,490.05 and 141,425.81 is: 212,103.66
Step by Step Solution
- Step 1: Write the proportion equation
496,408.71 : 744,490.05 = 141,425.81 : x - Step 2: Convert to fraction form
496,408.71/744,490.05 = 141,425.81/x - Step 3: Cross multiply
496,408.71x = 744,490.05 × 141,425.81 - Step 4: Simplify right side
496,408.71x = 105,290,106,897.23 - Step 5: Solve for x
x = 105,290,106,897.23/496,408.71 - Step 6: Final answer
x = 212,103.66
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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.