Finding the Fourth Proportional to 168,594.12, 232,664.58 and 93,147.48
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Solution
The fourth proportional to 168,594.12, 232,664.58 and 93,147.48 is: 128,546.12
Step by Step Solution
- Step 1: Write the proportion equation
168,594.12 : 232,664.58 = 93,147.48 : x - Step 2: Convert to fraction form
168,594.12/232,664.58 = 93,147.48/x - Step 3: Cross multiply
168,594.12x = 232,664.58 × 93,147.48 - Step 4: Simplify right side
168,594.12x = 21,672,119,312.26 - Step 5: Solve for x
x = 21,672,119,312.26/168,594.12 - Step 6: Final answer
x = 128,546.12
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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.