Finding the Fourth Proportional to 288,564.70, 432,847.05 and 235,420.60
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Solution
The fourth proportional to 288,564.70, 432,847.05 and 235,420.60 is: 353,130.90
Step by Step Solution
- Step 1: Write the proportion equation
288,564.70 : 432,847.05 = 235,420.60 : x - Step 2: Convert to fraction form
288,564.70/432,847.05 = 235,420.60/x - Step 3: Cross multiply
288,564.70x = 432,847.05 × 235,420.60 - Step 4: Simplify right side
288,564.70x = 101,901,112,219.23 - Step 5: Solve for x
x = 101,901,112,219.23/288,564.70 - Step 6: Final answer
x = 353,130.90
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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.