Finding the Fourth Proportional to 130,223.01, 196,310.55 and 121,542.99
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Solution
The fourth proportional to 130,223.01, 196,310.55 and 121,542.99 is: 183,225.46
Step by Step Solution
- Step 1: Write the proportion equation
130,223.01 : 196,310.55 = 121,542.99 : x - Step 2: Convert to fraction form
130,223.01/196,310.55 = 121,542.99/x - Step 3: Cross multiply
130,223.01x = 196,310.55 × 121,542.99 - Step 4: Simplify right side
130,223.01x = 23,860,169,626.28 - Step 5: Solve for x
x = 23,860,169,626.28/130,223.01 - Step 6: Final answer
x = 183,225.46
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.