Finding the Fourth Proportional to 348,451.15, 480,804.29 and 205,239.70
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Solution
The fourth proportional to 348,451.15, 480,804.29 and 205,239.70 is: 283,196.45
Step by Step Solution
- Step 1: Write the proportion equation
348,451.15 : 480,804.29 = 205,239.70 : x - Step 2: Convert to fraction form
348,451.15/480,804.29 = 205,239.70/x - Step 3: Cross multiply
348,451.15x = 480,804.29 × 205,239.70 - Step 4: Simplify right side
348,451.15x = 98,680,128,238.31 - Step 5: Solve for x
x = 98,680,128,238.31/348,451.15 - Step 6: Final answer
x = 283,196.45
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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.