Finding the Fourth Proportional to 422,537.63, 633,829.53 and 106,997.27
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Solution
The fourth proportional to 422,537.63, 633,829.53 and 106,997.27 is: 160,501.75
Step by Step Solution
- Step 1: Write the proportion equation
422,537.63 : 633,829.53 = 106,997.27 : x - Step 2: Convert to fraction form
422,537.63/633,829.53 = 106,997.27/x - Step 3: Cross multiply
422,537.63x = 633,829.53 × 106,997.27 - Step 4: Simplify right side
422,537.63x = 67,818,026,186.24 - Step 5: Solve for x
x = 67,818,026,186.24/422,537.63 - Step 6: Final answer
x = 160,501.75
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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.