Finding the Fourth Proportional to 97,648.20, 146,472.30 and 84,817.80
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Solution
The fourth proportional to 97,648.20, 146,472.30 and 84,817.80 is: 127,226.70
Step by Step Solution
- Step 1: Write the proportion equation
97,648.20 : 146,472.30 = 84,817.80 : x - Step 2: Convert to fraction form
97,648.20/146,472.30 = 84,817.80/x - Step 3: Cross multiply
97,648.20x = 146,472.30 × 84,817.80 - Step 4: Simplify right side
97,648.20x = 12,423,458,246.94 - Step 5: Solve for x
x = 12,423,458,246.94/97,648.20 - Step 6: Final answer
x = 127,226.70
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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.