Finding the Fourth Proportional to 287,445.84, 393,802.58 and 276,671.62
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Solution
The fourth proportional to 287,445.84, 393,802.58 and 276,671.62 is: 379,041.83
Step by Step Solution
- Step 1: Write the proportion equation
287,445.84 : 393,802.58 = 276,671.62 : x - Step 2: Convert to fraction form
287,445.84/393,802.58 = 276,671.62/x - Step 3: Cross multiply
287,445.84x = 393,802.58 × 276,671.62 - Step 4: Simplify right side
287,445.84x = 108,953,997,768.78 - Step 5: Solve for x
x = 108,953,997,768.78/287,445.84 - Step 6: Final answer
x = 379,041.83
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.