Finding the Fourth Proportional to 216,854.40, 325,378.80 and 98,464.80
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Solution
The fourth proportional to 216,854.40, 325,378.80 and 98,464.80 is: 147,741.33
Step by Step Solution
- Step 1: Write the proportion equation
216,854.40 : 325,378.80 = 98,464.80 : x - Step 2: Convert to fraction form
216,854.40/325,378.80 = 98,464.80/x - Step 3: Cross multiply
216,854.40x = 325,378.80 × 98,464.80 - Step 4: Simplify right side
216,854.40x = 32,038,358,466.24 - Step 5: Solve for x
x = 32,038,358,466.24/216,854.40 - Step 6: Final answer
x = 147,741.33
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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.