Finding the Fourth Proportional to 439,639.10, 659,114.13 and 173,598.75
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Solution
The fourth proportional to 439,639.10, 659,114.13 and 173,598.75 is: 260,262.09
Step by Step Solution
- Step 1: Write the proportion equation
439,639.10 : 659,114.13 = 173,598.75 : x - Step 2: Convert to fraction form
439,639.10/659,114.13 = 173,598.75/x - Step 3: Cross multiply
439,639.10x = 659,114.13 × 173,598.75 - Step 4: Simplify right side
439,639.10x = 114,421,389,075.34 - Step 5: Solve for x
x = 114,421,389,075.34/439,639.10 - Step 6: Final answer
x = 260,262.09
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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.