Finding the Fourth Proportional to 648,577.62, 971,798.93 and 221,880.19
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Solution
The fourth proportional to 648,577.62, 971,798.93 and 221,880.19 is: 332,455.09
Step by Step Solution
- Step 1: Write the proportion equation
648,577.62 : 971,798.93 = 221,880.19 : x - Step 2: Convert to fraction form
648,577.62/971,798.93 = 221,880.19/x - Step 3: Cross multiply
648,577.62x = 971,798.93 × 221,880.19 - Step 4: Simplify right side
648,577.62x = 215,622,927,924.31 - Step 5: Solve for x
x = 215,622,927,924.31/648,577.62 - Step 6: Final answer
x = 332,455.09
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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.