Finding the Fourth Proportional to 486,653.57, 729,982.08 and 149,691.95
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Solution
The fourth proportional to 486,653.57, 729,982.08 and 149,691.95 is: 224,538.45
Step by Step Solution
- Step 1: Write the proportion equation
486,653.57 : 729,982.08 = 149,691.95 : x - Step 2: Convert to fraction form
486,653.57/729,982.08 = 149,691.95/x - Step 3: Cross multiply
486,653.57x = 729,982.08 × 149,691.95 - Step 4: Simplify right side
486,653.57x = 109,272,440,271.80 - Step 5: Solve for x
x = 109,272,440,271.80/486,653.57 - Step 6: Final answer
x = 224,538.45
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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.