Finding the Fourth Proportional to 354,762.96, 531,827.97 and 130,070.94
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Solution
The fourth proportional to 354,762.96, 531,827.97 and 130,070.94 is: 194,990.38
Step by Step Solution
- Step 1: Write the proportion equation
354,762.96 : 531,827.97 = 130,070.94 : x - Step 2: Convert to fraction form
354,762.96/531,827.97 = 130,070.94/x - Step 3: Cross multiply
354,762.96x = 531,827.97 × 130,070.94 - Step 4: Simplify right side
354,762.96x = 69,175,363,976.19 - Step 5: Solve for x
x = 69,175,363,976.19/354,762.96 - Step 6: Final answer
x = 194,990.38
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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.