Finding the Fourth Proportional to 97,898.99, 146,698.97 and 72,817.74
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Solution
The fourth proportional to 97,898.99, 146,698.97 and 72,817.74 is: 109,115.40
Step by Step Solution
- Step 1: Write the proportion equation
97,898.99 : 146,698.97 = 72,817.74 : x - Step 2: Convert to fraction form
97,898.99/146,698.97 = 72,817.74/x - Step 3: Cross multiply
97,898.99x = 146,698.97 × 72,817.74 - Step 4: Simplify right side
97,898.99x = 10,682,287,091.64 - Step 5: Solve for x
x = 10,682,287,091.64/97,898.99 - Step 6: Final answer
x = 109,115.40
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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.