Finding the Fourth Proportional to 165,629.64, 228,551.74 and 93,040.68
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Solution
The fourth proportional to 165,629.64, 228,551.74 and 93,040.68 is: 128,386.50
Step by Step Solution
- Step 1: Write the proportion equation
165,629.64 : 228,551.74 = 93,040.68 : x - Step 2: Convert to fraction form
165,629.64/228,551.74 = 93,040.68/x - Step 3: Cross multiply
165,629.64x = 228,551.74 × 93,040.68 - Step 4: Simplify right side
165,629.64x = 21,264,609,304.78 - Step 5: Solve for x
x = 21,264,609,304.78/165,629.64 - Step 6: Final answer
x = 128,386.50
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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.