Finding the Fourth Proportional to 165,555.36, 228,440.99 and 92,962.01
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Solution
The fourth proportional to 165,555.36, 228,440.99 and 92,962.01 is: 128,273.31
Step by Step Solution
- Step 1: Write the proportion equation
165,555.36 : 228,440.99 = 92,962.01 : x - Step 2: Convert to fraction form
165,555.36/228,440.99 = 92,962.01/x - Step 3: Cross multiply
165,555.36x = 228,440.99 × 92,962.01 - Step 4: Simplify right side
165,555.36x = 21,236,334,400.30 - Step 5: Solve for x
x = 21,236,334,400.30/165,555.36 - Step 6: Final answer
x = 128,273.31
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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.