Finding the Fourth Proportional to 268,272,783.20, 402,409,174.80 and 234,260,559.20
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Solution
The fourth proportional to 268,272,783.20, 402,409,174.80 and 234,260,559.20 is: 351,390,838.80
Step by Step Solution
- Step 1: Write the proportion equation
268,272,783.20 : 402,409,174.80 = 234,260,559.20 : x - Step 2: Convert to fraction form
268,272,783.20/402,409,174.80 = 234,260,559.20/x - Step 3: Cross multiply
268,272,783.20x = 402,409,174.80 × 234,260,559.20 - Step 4: Simplify right side
268,272,783.20x = 94,268,598,315,858,544 - Step 5: Solve for x
x = 94,268,598,315,858,544/268,272,783.20 - Step 6: Final answer
x = 351,390,838.80
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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.