Finding the Fourth Proportional to 397,835.19, 549,027.06 and 216,538.36
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Solution
The fourth proportional to 397,835.19, 549,027.06 and 216,538.36 is: 298,830.82
Step by Step Solution
- Step 1: Write the proportion equation
397,835.19 : 549,027.06 = 216,538.36 : x - Step 2: Convert to fraction form
397,835.19/549,027.06 = 216,538.36/x - Step 3: Cross multiply
397,835.19x = 549,027.06 × 216,538.36 - Step 4: Simplify right side
397,835.19x = 118,885,419,042.29 - Step 5: Solve for x
x = 118,885,419,042.29/397,835.19 - Step 6: Final answer
x = 298,830.82
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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.