Finding the Fourth Proportional to 434,555.20, 651,832.80 and 368,289.10
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Solution
The fourth proportional to 434,555.20, 651,832.80 and 368,289.10 is: 552,433.65
Step by Step Solution
- Step 1: Write the proportion equation
434,555.20 : 651,832.80 = 368,289.10 : x - Step 2: Convert to fraction form
434,555.20/651,832.80 = 368,289.10/x - Step 3: Cross multiply
434,555.20x = 651,832.80 × 368,289.10 - Step 4: Simplify right side
434,555.20x = 240,062,915,262.48 - Step 5: Solve for x
x = 240,062,915,262.48/434,555.20 - Step 6: Final answer
x = 552,433.65
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Similar ratio
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1.5x scale
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.