Finding the Fourth Proportional to 103,636.05, 155,454.08 and 101,332.05
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Solution
The fourth proportional to 103,636.05, 155,454.08 and 101,332.05 is: 151,998.08
Step by Step Solution
- Step 1: Write the proportion equation
103,636.05 : 155,454.08 = 101,332.05 : x - Step 2: Convert to fraction form
103,636.05/155,454.08 = 101,332.05/x - Step 3: Cross multiply
103,636.05x = 155,454.08 × 101,332.05 - Step 4: Simplify right side
103,636.05x = 15,752,480,607.26 - Step 5: Solve for x
x = 15,752,480,607.26/103,636.05 - Step 6: Final answer
x = 151,998.08
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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.