Finding the Fourth Proportional to 282,828.23, 390,294.74 and 160,331.97
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Solution
The fourth proportional to 282,828.23, 390,294.74 and 160,331.97 is: 221,253.46
Step by Step Solution
- Step 1: Write the proportion equation
282,828.23 : 390,294.74 = 160,331.97 : x - Step 2: Convert to fraction form
282,828.23/390,294.74 = 160,331.97/x - Step 3: Cross multiply
282,828.23x = 390,294.74 × 160,331.97 - Step 4: Simplify right side
282,828.23x = 62,576,724,544.84 - Step 5: Solve for x
x = 62,576,724,544.84/282,828.23 - Step 6: Final answer
x = 221,253.46
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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.