Finding the Fourth Proportional to 397,833.19, 549,010.92 and 216,547.09
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Solution
The fourth proportional to 397,833.19, 549,010.92 and 216,547.09 is: 298,835.59
Step by Step Solution
- Step 1: Write the proportion equation
397,833.19 : 549,010.92 = 216,547.09 : x - Step 2: Convert to fraction form
397,833.19/549,010.92 = 216,547.09/x - Step 3: Cross multiply
397,833.19x = 549,010.92 × 216,547.09 - Step 4: Simplify right side
397,833.19x = 118,886,717,104.22 - Step 5: Solve for x
x = 118,886,717,104.22/397,833.19 - Step 6: Final answer
x = 298,835.59
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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.