Finding the Fourth Proportional to 647,235.68, 970,852.69 and 173,921.05
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Solution
The fourth proportional to 647,235.68, 970,852.69 and 173,921.05 is: 260,881.34
Step by Step Solution
- Step 1: Write the proportion equation
647,235.68 : 970,852.69 = 173,921.05 : x - Step 2: Convert to fraction form
647,235.68/970,852.69 = 173,921.05/x - Step 3: Cross multiply
647,235.68x = 970,852.69 × 173,921.05 - Step 4: Simplify right side
647,235.68x = 168,851,713,516.26 - Step 5: Solve for x
x = 168,851,713,516.26/647,235.68 - Step 6: Final answer
x = 260,881.34
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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.