Finding the Fourth Proportional to 307,694.81, 424,590.05 and 178,599.03
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Solution
The fourth proportional to 307,694.81, 424,590.05 and 178,599.03 is: 246,449.95
Step by Step Solution
- Step 1: Write the proportion equation
307,694.81 : 424,590.05 = 178,599.03 : x - Step 2: Convert to fraction form
307,694.81/424,590.05 = 178,599.03/x - Step 3: Cross multiply
307,694.81x = 424,590.05 × 178,599.03 - Step 4: Simplify right side
307,694.81x = 75,831,370,184.66 - Step 5: Solve for x
x = 75,831,370,184.66/307,694.81 - Step 6: Final answer
x = 246,449.95
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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.