Finding the Fourth Proportional to 439,105.26, 605,965.14 and 237,901.26
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Solution
The fourth proportional to 439,105.26, 605,965.14 and 237,901.26 is: 328,303.67
Step by Step Solution
- Step 1: Write the proportion equation
439,105.26 : 605,965.14 = 237,901.26 : x - Step 2: Convert to fraction form
439,105.26/605,965.14 = 237,901.26/x - Step 3: Cross multiply
439,105.26x = 605,965.14 × 237,901.26 - Step 4: Simplify right side
439,105.26x = 144,159,870,322.08 - Step 5: Solve for x
x = 144,159,870,322.08/439,105.26 - Step 6: Final answer
x = 328,303.67
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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.