Finding the Fourth Proportional to 283,073.94, 390,476.07 and 181,062.18
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Solution
The fourth proportional to 283,073.94, 390,476.07 and 181,062.18 is: 249,759.65
Step by Step Solution
- Step 1: Write the proportion equation
283,073.94 : 390,476.07 = 181,062.18 : x - Step 2: Convert to fraction form
283,073.94/390,476.07 = 181,062.18/x - Step 3: Cross multiply
283,073.94x = 390,476.07 × 181,062.18 - Step 4: Simplify right side
283,073.94x = 70,700,448,472.03 - Step 5: Solve for x
x = 70,700,448,472.03/283,073.94 - Step 6: Final answer
x = 249,759.65
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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.