Finding the Fourth Proportional to 306,045.70, 459,068.55 and 227,313.70
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Solution
The fourth proportional to 306,045.70, 459,068.55 and 227,313.70 is: 340,970.55
Step by Step Solution
- Step 1: Write the proportion equation
306,045.70 : 459,068.55 = 227,313.70 : x - Step 2: Convert to fraction form
306,045.70/459,068.55 = 227,313.70/x - Step 3: Cross multiply
306,045.70x = 459,068.55 × 227,313.70 - Step 4: Simplify right side
306,045.70x = 104,352,570,654.14 - Step 5: Solve for x
x = 104,352,570,654.14/306,045.70 - Step 6: Final answer
x = 340,970.55
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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.