Finding the Fourth Proportional to 684,353.64, 1,026,513.18 and 185,704.68
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Solution
The fourth proportional to 684,353.64, 1,026,513.18 and 185,704.68 is: 278,552.33
Step by Step Solution
- Step 1: Write the proportion equation
684,353.64 : 1,026,513.18 = 185,704.68 : x - Step 2: Convert to fraction form
684,353.64/1,026,513.18 = 185,704.68/x - Step 3: Cross multiply
684,353.64x = 1,026,513.18 × 185,704.68 - Step 4: Simplify right side
684,353.64x = 190,628,301,607.68 - Step 5: Solve for x
x = 190,628,301,607.68/684,353.64 - Step 6: Final answer
x = 278,552.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.