Finding the Fourth Proportional to 264,085.60, 396,172.14 and 130,970.20
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Solution
The fourth proportional to 264,085.60, 396,172.14 and 130,970.20 is: 196,476.99
Step by Step Solution
- Step 1: Write the proportion equation
264,085.60 : 396,172.14 = 130,970.20 : x - Step 2: Convert to fraction form
264,085.60/396,172.14 = 130,970.20/x - Step 3: Cross multiply
264,085.60x = 396,172.14 × 130,970.20 - Step 4: Simplify right side
264,085.60x = 51,886,744,410.23 - Step 5: Solve for x
x = 51,886,744,410.23/264,085.60 - Step 6: Final answer
x = 196,476.99
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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.