Finding the Fourth Proportional to 315,059.64, 472,615.06 and 93,443
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Solution
The fourth proportional to 315,059.64, 472,615.06 and 93,443 is: 140,172.09
Step by Step Solution
- Step 1: Write the proportion equation
315,059.64 : 472,615.06 = 93,443 : x - Step 2: Convert to fraction form
315,059.64/472,615.06 = 93,443/x - Step 3: Cross multiply
315,059.64x = 472,615.06 × 93,443 - Step 4: Simplify right side
315,059.64x = 44,162,569,051.58 - Step 5: Solve for x
x = 44,162,569,051.58/315,059.64 - Step 6: Final answer
x = 140,172.09
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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.