Finding the Fourth Proportional to 168,564.34, 232,618.08 and 93,112.84
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Solution
The fourth proportional to 168,564.34, 232,618.08 and 93,112.84 is: 128,495.33
Step by Step Solution
- Step 1: Write the proportion equation
168,564.34 : 232,618.08 = 93,112.84 : x - Step 2: Convert to fraction form
168,564.34/232,618.08 = 93,112.84/x - Step 3: Cross multiply
168,564.34x = 232,618.08 × 93,112.84 - Step 4: Simplify right side
168,564.34x = 21,659,730,064.15 - Step 5: Solve for x
x = 21,659,730,064.15/168,564.34 - Step 6: Final answer
x = 128,495.33
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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.