Finding the Fourth Proportional to 364,918.76, 503,444.88 and 211,930.80
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Solution
The fourth proportional to 364,918.76, 503,444.88 and 211,930.80 is: 292,381.45
Step by Step Solution
- Step 1: Write the proportion equation
364,918.76 : 503,444.88 = 211,930.80 : x - Step 2: Convert to fraction form
364,918.76/503,444.88 = 211,930.80/x - Step 3: Cross multiply
364,918.76x = 503,444.88 × 211,930.80 - Step 4: Simplify right side
364,918.76x = 106,695,476,174.30 - Step 5: Solve for x
x = 106,695,476,174.30/364,918.76 - Step 6: Final answer
x = 292,381.45
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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.