Finding the Fourth Proportional to 157,669.64, 236,497.68 and 73,400.88
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Solution
The fourth proportional to 157,669.64, 236,497.68 and 73,400.88 is: 110,098.17
Step by Step Solution
- Step 1: Write the proportion equation
157,669.64 : 236,497.68 = 73,400.88 : x - Step 2: Convert to fraction form
157,669.64/236,497.68 = 73,400.88/x - Step 3: Cross multiply
157,669.64x = 236,497.68 × 73,400.88 - Step 4: Simplify right side
157,669.64x = 17,359,137,829.96 - Step 5: Solve for x
x = 17,359,137,829.96/157,669.64 - Step 6: Final answer
x = 110,098.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.