Finding the Fourth Proportional to 646,753.41, 970,130.12 and 247,516.56
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Solution
The fourth proportional to 646,753.41, 970,130.12 and 247,516.56 is: 371,274.84
Step by Step Solution
- Step 1: Write the proportion equation
646,753.41 : 970,130.12 = 247,516.56 : x - Step 2: Convert to fraction form
646,753.41/970,130.12 = 247,516.56/x - Step 3: Cross multiply
646,753.41x = 970,130.12 × 247,516.56 - Step 4: Simplify right side
646,753.41x = 240,123,268,817.20 - Step 5: Solve for x
x = 240,123,268,817.20/646,753.41 - Step 6: Final answer
x = 371,274.84
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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.