Finding the Fourth Proportional to 347,880.19, 521,630.58 and 104,685.83
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Solution
The fourth proportional to 347,880.19, 521,630.58 and 104,685.83 is: 156,971.65
Step by Step Solution
- Step 1: Write the proportion equation
347,880.19 : 521,630.58 = 104,685.83 : x - Step 2: Convert to fraction form
347,880.19/521,630.58 = 104,685.83/x - Step 3: Cross multiply
347,880.19x = 521,630.58 × 104,685.83 - Step 4: Simplify right side
347,880.19x = 54,607,327,089.10 - Step 5: Solve for x
x = 54,607,327,089.10/347,880.19 - Step 6: Final answer
x = 156,971.65
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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.