Finding the Fourth Proportional to 440,078.77, 607,310.73 and 249,129.10
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Solution
The fourth proportional to 440,078.77, 607,310.73 and 249,129.10 is: 343,799.31
Step by Step Solution
- Step 1: Write the proportion equation
440,078.77 : 607,310.73 = 249,129.10 : x - Step 2: Convert to fraction form
440,078.77/607,310.73 = 249,129.10/x - Step 3: Cross multiply
440,078.77x = 607,310.73 × 249,129.10 - Step 4: Simplify right side
440,078.77x = 151,298,775,585.24 - Step 5: Solve for x
x = 151,298,775,585.24/440,078.77 - Step 6: Final answer
x = 343,799.31
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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.