Finding the Fourth Proportional to 212,068.06, 292,655.98 and 115,272.34
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Solution
The fourth proportional to 212,068.06, 292,655.98 and 115,272.34 is: 159,076.95
Step by Step Solution
- Step 1: Write the proportion equation
212,068.06 : 292,655.98 = 115,272.34 : x - Step 2: Convert to fraction form
212,068.06/292,655.98 = 115,272.34/x - Step 3: Cross multiply
212,068.06x = 292,655.98 × 115,272.34 - Step 4: Simplify right side
212,068.06x = 33,735,139,629.59 - Step 5: Solve for x
x = 33,735,139,629.59/212,068.06 - Step 6: Final answer
x = 159,076.95
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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.