Finding the Fourth Proportional to 298,159.47, 411,467.58 and 162,201.06
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Solution
The fourth proportional to 298,159.47, 411,467.58 and 162,201.06 is: 223,841.55
Step by Step Solution
- Step 1: Write the proportion equation
298,159.47 : 411,467.58 = 162,201.06 : x - Step 2: Convert to fraction form
298,159.47/411,467.58 = 162,201.06/x - Step 3: Cross multiply
298,159.47x = 411,467.58 × 162,201.06 - Step 4: Simplify right side
298,159.47x = 66,740,477,631.63 - Step 5: Solve for x
x = 66,740,477,631.63/298,159.47 - Step 6: Final answer
x = 223,841.55
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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.