Finding the Fourth Proportional to 168,399.42, 232,390.08 and 92,947.92
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Solution
The fourth proportional to 168,399.42, 232,390.08 and 92,947.92 is: 128,267.51
Step by Step Solution
- Step 1: Write the proportion equation
168,399.42 : 232,390.08 = 92,947.92 : x - Step 2: Convert to fraction form
168,399.42/232,390.08 = 92,947.92/x - Step 3: Cross multiply
168,399.42x = 232,390.08 × 92,947.92 - Step 4: Simplify right side
168,399.42x = 21,600,174,564.63 - Step 5: Solve for x
x = 21,600,174,564.63/168,399.42 - Step 6: Final answer
x = 128,267.51
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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.