Finding the Fourth Proportional to 393,258.50, 589,889.99 and 97,770.50
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Solution
The fourth proportional to 393,258.50, 589,889.99 and 97,770.50 is: 146,656.31
Step by Step Solution
- Step 1: Write the proportion equation
393,258.50 : 589,889.99 = 97,770.50 : x - Step 2: Convert to fraction form
393,258.50/589,889.99 = 97,770.50/x - Step 3: Cross multiply
393,258.50x = 589,889.99 × 97,770.50 - Step 4: Simplify right side
393,258.50x = 57,673,839,267.30 - Step 5: Solve for x
x = 57,673,839,267.30/393,258.50 - Step 6: Final answer
x = 146,656.31
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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.