Finding the Fourth Proportional to 283,116.17, 390,716.48 and 162,277.59
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Solution
The fourth proportional to 283,116.17, 390,716.48 and 162,277.59 is: 223,952.34
Step by Step Solution
- Step 1: Write the proportion equation
283,116.17 : 390,716.48 = 162,277.59 : x - Step 2: Convert to fraction form
283,116.17/390,716.48 = 162,277.59/x - Step 3: Cross multiply
283,116.17x = 390,716.48 × 162,277.59 - Step 4: Simplify right side
283,116.17x = 63,404,527,936.30 - Step 5: Solve for x
x = 63,404,527,936.30/283,116.17 - Step 6: Final answer
x = 223,952.34
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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.