Finding the Fourth Proportional to 298,528.14, 411,979.02 and 162,564.42
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Solution
The fourth proportional to 298,528.14, 411,979.02 and 162,564.42 is: 224,344.45
Step by Step Solution
- Step 1: Write the proportion equation
298,528.14 : 411,979.02 = 162,564.42 : x - Step 2: Convert to fraction form
298,528.14/411,979.02 = 162,564.42/x - Step 3: Cross multiply
298,528.14x = 411,979.02 × 162,564.42 - Step 4: Simplify right side
298,528.14x = 66,973,130,438.47 - Step 5: Solve for x
x = 66,973,130,438.47/298,528.14 - Step 6: Final answer
x = 224,344.45
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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.