Finding the Fourth Proportional to 398,466.93, 549,884.57 and 226,385.19
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Solution
The fourth proportional to 398,466.93, 549,884.57 and 226,385.19 is: 312,411.68
Step by Step Solution
- Step 1: Write the proportion equation
398,466.93 : 549,884.57 = 226,385.19 : x - Step 2: Convert to fraction form
398,466.93/549,884.57 = 226,385.19/x - Step 3: Cross multiply
398,466.93x = 549,884.57 × 226,385.19 - Step 4: Simplify right side
398,466.93x = 124,485,721,725.59 - Step 5: Solve for x
x = 124,485,721,725.59/398,466.93 - Step 6: Final answer
x = 312,411.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.