Finding the Fourth Proportional to 486,538.70, 729,877.80 and 149,607.65
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Solution
The fourth proportional to 486,538.70, 729,877.80 and 149,607.65 is: 224,432.92
Step by Step Solution
- Step 1: Write the proportion equation
486,538.70 : 729,877.80 = 149,607.65 : x - Step 2: Convert to fraction form
486,538.70/729,877.80 = 149,607.65/x - Step 3: Cross multiply
486,538.70x = 729,877.80 × 149,607.65 - Step 4: Simplify right side
486,538.70x = 109,195,302,445.17 - Step 5: Solve for x
x = 109,195,302,445.17/486,538.70 - Step 6: Final answer
x = 224,432.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.