Finding the Fourth Proportional to 546,135.76, 753,670.76 and 304,433.68
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Solution
The fourth proportional to 546,135.76, 753,670.76 and 304,433.68 is: 420,120.38
Step by Step Solution
- Step 1: Write the proportion equation
546,135.76 : 753,670.76 = 304,433.68 : x - Step 2: Convert to fraction form
546,135.76/753,670.76 = 304,433.68/x - Step 3: Cross multiply
546,135.76x = 753,670.76 × 304,433.68 - Step 4: Simplify right side
546,135.76x = 229,442,762,975.20 - Step 5: Solve for x
x = 229,442,762,975.20/546,135.76 - Step 6: Final answer
x = 420,120.38
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1.5x scale
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.