Finding the Fourth Proportional to 183,918.14, 253,829.70 and 103,343.91
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Solution
The fourth proportional to 183,918.14, 253,829.70 and 103,343.91 is: 142,627.34
Step by Step Solution
- Step 1: Write the proportion equation
183,918.14 : 253,829.70 = 103,343.91 : x - Step 2: Convert to fraction form
183,918.14/253,829.70 = 103,343.91/x - Step 3: Cross multiply
183,918.14x = 253,829.70 × 103,343.91 - Step 4: Simplify right side
183,918.14x = 26,231,753,672.13 - Step 5: Solve for x
x = 26,231,753,672.13/183,918.14 - Step 6: Final answer
x = 142,627.34
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1.5x scale
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.