Finding the Fourth Proportional to 298,448.71, 411,866.62 and 162,490.11
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Solution
The fourth proportional to 298,448.71, 411,866.62 and 162,490.11 is: 224,240.38
Step by Step Solution
- Step 1: Write the proportion equation
298,448.71 : 411,866.62 = 162,490.11 : x - Step 2: Convert to fraction form
298,448.71/411,866.62 = 162,490.11/x - Step 3: Cross multiply
298,448.71x = 411,866.62 × 162,490.11 - Step 4: Simplify right side
298,448.71x = 66,924,252,389.13 - Step 5: Solve for x
x = 66,924,252,389.13/298,448.71 - Step 6: Final answer
x = 224,240.38
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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.