Finding the Fourth Proportional to 607,284.09, 910,316.50 and 207,651.56
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Solution
The fourth proportional to 607,284.09, 910,316.50 and 207,651.56 is: 311,268.88
Step by Step Solution
- Step 1: Write the proportion equation
607,284.09 : 910,316.50 = 207,651.56 : x - Step 2: Convert to fraction form
607,284.09/910,316.50 = 207,651.56/x - Step 3: Cross multiply
607,284.09x = 910,316.50 × 207,651.56 - Step 4: Simplify right side
607,284.09x = 189,028,641,318.74 - Step 5: Solve for x
x = 189,028,641,318.74/607,284.09 - Step 6: Final answer
x = 311,268.88
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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.