Finding the Fourth Proportional to 397,875.09, 549,067.68 and 216,588.39
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Solution
The fourth proportional to 397,875.09, 549,067.68 and 216,588.39 is: 298,892.01
Step by Step Solution
- Step 1: Write the proportion equation
397,875.09 : 549,067.68 = 216,588.39 : x - Step 2: Convert to fraction form
397,875.09/549,067.68 = 216,588.39/x - Step 3: Cross multiply
397,875.09x = 549,067.68 × 216,588.39 - Step 4: Simplify right side
397,875.09x = 118,921,684,812.24 - Step 5: Solve for x
x = 118,921,684,812.24/397,875.09 - Step 6: Final answer
x = 298,892.01
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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.