Finding the Fourth Proportional to 130,859.42, 196,386.93 and 50,909.99
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Solution
The fourth proportional to 130,859.42, 196,386.93 and 50,909.99 is: 76,403.03
Step by Step Solution
- Step 1: Write the proportion equation
130,859.42 : 196,386.93 = 50,909.99 : x - Step 2: Convert to fraction form
130,859.42/196,386.93 = 50,909.99/x - Step 3: Cross multiply
130,859.42x = 196,386.93 × 50,909.99 - Step 4: Simplify right side
130,859.42x = 9,998,055,660.50 - Step 5: Solve for x
x = 9,998,055,660.50/130,859.42 - Step 6: Final answer
x = 76,403.03
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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.