Finding the Fourth Proportional to 100,364.24, 138,500.58 and 62,113.62
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Solution
The fourth proportional to 100,364.24, 138,500.58 and 62,113.62 is: 85,715.51
Step by Step Solution
- Step 1: Write the proportion equation
100,364.24 : 138,500.58 = 62,113.62 : x - Step 2: Convert to fraction form
100,364.24/138,500.58 = 62,113.62/x - Step 3: Cross multiply
100,364.24x = 138,500.58 × 62,113.62 - Step 4: Simplify right side
100,364.24x = 8,602,772,395.90 - Step 5: Solve for x
x = 8,602,772,395.90/100,364.24 - Step 6: Final answer
x = 85,715.51
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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.