Finding the Fourth Proportional to 282,817.74, 390,177.35 and 161,893.92
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Solution
The fourth proportional to 282,817.74, 390,177.35 and 161,893.92 is: 223,349.99
Step by Step Solution
- Step 1: Write the proportion equation
282,817.74 : 390,177.35 = 161,893.92 : x - Step 2: Convert to fraction form
282,817.74/390,177.35 = 161,893.92/x - Step 3: Cross multiply
282,817.74x = 390,177.35 × 161,893.92 - Step 4: Simplify right side
282,817.74x = 63,167,340,686.71 - Step 5: Solve for x
x = 63,167,340,686.71/282,817.74 - Step 6: Final answer
x = 223,349.99
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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.