Finding the Fourth Proportional to 134,570.30, 201,894.93 and 39,802.99
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Solution
The fourth proportional to 134,570.30, 201,894.93 and 39,802.99 is: 59,716.15
Step by Step Solution
- Step 1: Write the proportion equation
134,570.30 : 201,894.93 = 39,802.99 : x - Step 2: Convert to fraction form
134,570.30/201,894.93 = 39,802.99/x - Step 3: Cross multiply
134,570.30x = 201,894.93 × 39,802.99 - Step 4: Simplify right side
134,570.30x = 8,036,020,770.86 - Step 5: Solve for x
x = 8,036,020,770.86/134,570.30 - Step 6: Final answer
x = 59,716.15
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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.