Finding the Fourth Proportional to 97,898.40, 146,866.01 and 31,320.68
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Solution
The fourth proportional to 97,898.40, 146,866.01 and 31,320.68 is: 46,986.90
Step by Step Solution
- Step 1: Write the proportion equation
97,898.40 : 146,866.01 = 31,320.68 : x - Step 2: Convert to fraction form
97,898.40/146,866.01 = 31,320.68/x - Step 3: Cross multiply
97,898.40x = 146,866.01 × 31,320.68 - Step 4: Simplify right side
97,898.40x = 4,599,942,411.15 - Step 5: Solve for x
x = 4,599,942,411.15/97,898.40 - Step 6: Final answer
x = 46,986.90
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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.