Finding the Fourth Proportional to 602,485.88, 831,431.50 and 334,213.88
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Solution
The fourth proportional to 602,485.88, 831,431.50 and 334,213.88 is: 461,215.70
Step by Step Solution
- Step 1: Write the proportion equation
602,485.88 : 831,431.50 = 334,213.88 : x - Step 2: Convert to fraction form
602,485.88/831,431.50 = 334,213.88/x - Step 3: Cross multiply
602,485.88x = 831,431.50 × 334,213.88 - Step 4: Simplify right side
602,485.88x = 277,875,947,569.22 - Step 5: Solve for x
x = 277,875,947,569.22/602,485.88 - Step 6: Final answer
x = 461,215.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.