Finding the Fourth Proportional to 213,379.34, 294,461.39 and 117,883.98
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Solution
The fourth proportional to 213,379.34, 294,461.39 and 117,883.98 is: 162,678.74
Step by Step Solution
- Step 1: Write the proportion equation
213,379.34 : 294,461.39 = 117,883.98 : x - Step 2: Convert to fraction form
213,379.34/294,461.39 = 117,883.98/x - Step 3: Cross multiply
213,379.34x = 294,461.39 × 117,883.98 - Step 4: Simplify right side
213,379.34x = 34,712,280,904.24 - Step 5: Solve for x
x = 34,712,280,904.24/213,379.34 - Step 6: Final answer
x = 162,678.74
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1.5x scale
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.