Finding the Fourth Proportional to 100,402.93, 150,465.07 and 55,963.09
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Solution
The fourth proportional to 100,402.93, 150,465.07 and 55,963.09 is: 83,866.98
Step by Step Solution
- Step 1: Write the proportion equation
100,402.93 : 150,465.07 = 55,963.09 : x - Step 2: Convert to fraction form
100,402.93/150,465.07 = 55,963.09/x - Step 3: Cross multiply
100,402.93x = 150,465.07 × 55,963.09 - Step 4: Simplify right side
100,402.93x = 8,420,490,254.27 - Step 5: Solve for x
x = 8,420,490,254.27/100,402.93 - Step 6: Final answer
x = 83,866.98
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1.5x scale
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.