Finding the Fourth Proportional to 109,609.02, 164,412.99 and 26,503.02
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Solution
The fourth proportional to 109,609.02, 164,412.99 and 26,503.02 is: 39,754.40
Step by Step Solution
- Step 1: Write the proportion equation
109,609.02 : 164,412.99 = 26,503.02 : x - Step 2: Convert to fraction form
109,609.02/164,412.99 = 26,503.02/x - Step 3: Cross multiply
109,609.02x = 164,412.99 × 26,503.02 - Step 4: Simplify right side
109,609.02x = 4,357,440,762.23 - Step 5: Solve for x
x = 4,357,440,762.23/109,609.02 - Step 6: Final answer
x = 39,754.40
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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.