Finding the Fourth Proportional to 646,218.55, 968,878.94 and 286,193.21
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Solution
The fourth proportional to 646,218.55, 968,878.94 and 286,193.21 is: 429,091.02
Step by Step Solution
- Step 1: Write the proportion equation
646,218.55 : 968,878.94 = 286,193.21 : x - Step 2: Convert to fraction form
646,218.55/968,878.94 = 286,193.21/x - Step 3: Cross multiply
646,218.55x = 968,878.94 × 286,193.21 - Step 4: Simplify right side
646,218.55x = 277,286,573,940.00 - Step 5: Solve for x
x = 277,286,573,940.00/646,218.55 - Step 6: Final answer
x = 429,091.02
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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.