Finding the Fourth Proportional to 915,107.04, 1,372,844.16 and 316,090.08
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Solution
The fourth proportional to 915,107.04, 1,372,844.16 and 316,090.08 is: 474,198.54
Step by Step Solution
- Step 1: Write the proportion equation
915,107.04 : 1,372,844.16 = 316,090.08 : x - Step 2: Convert to fraction form
915,107.04/1,372,844.16 = 316,090.08/x - Step 3: Cross multiply
915,107.04x = 1,372,844.16 × 316,090.08 - Step 4: Simplify right side
915,107.04x = 433,942,420,361.93 - Step 5: Solve for x
x = 433,942,420,361.93/915,107.04 - Step 6: Final answer
x = 474,198.54
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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.