Finding the Fourth Proportional to 216,741.71, 325,031.93 and 74,547.08
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Solution
The fourth proportional to 216,741.71, 325,031.93 and 74,547.08 is: 111,792.88
Step by Step Solution
- Step 1: Write the proportion equation
216,741.71 : 325,031.93 = 74,547.08 : x - Step 2: Convert to fraction form
216,741.71/325,031.93 = 74,547.08/x - Step 3: Cross multiply
216,741.71x = 325,031.93 × 74,547.08 - Step 4: Simplify right side
216,741.71x = 24,230,179,290.37 - Step 5: Solve for x
x = 24,230,179,290.37/216,741.71 - Step 6: Final answer
x = 111,792.88
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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.