Finding the Fourth Proportional to 328,869.18, 493,248.18 and 92,157.41
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Solution
The fourth proportional to 328,869.18, 493,248.18 and 92,157.41 is: 138,220.53
Step by Step Solution
- Step 1: Write the proportion equation
328,869.18 : 493,248.18 = 92,157.41 : x - Step 2: Convert to fraction form
328,869.18/493,248.18 = 92,157.41/x - Step 3: Cross multiply
328,869.18x = 493,248.18 × 92,157.41 - Step 4: Simplify right side
328,869.18x = 45,456,472,289.77 - Step 5: Solve for x
x = 45,456,472,289.77/328,869.18 - Step 6: Final answer
x = 138,220.53
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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.