Finding the Fourth Proportional to 438,107.70, 604,588.68 and 236,903.70
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Solution
The fourth proportional to 438,107.70, 604,588.68 and 236,903.70 is: 326,927.14
Step by Step Solution
- Step 1: Write the proportion equation
438,107.70 : 604,588.68 = 236,903.70 : x - Step 2: Convert to fraction form
438,107.70/604,588.68 = 236,903.70/x - Step 3: Cross multiply
438,107.70x = 604,588.68 × 236,903.70 - Step 4: Simplify right side
438,107.70x = 143,229,295,270.12 - Step 5: Solve for x
x = 143,229,295,270.12/438,107.70 - Step 6: Final answer
x = 326,927.14
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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.