Finding the Fourth Proportional to 348,383.18, 480,768.44 and 197,480.18
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Solution
The fourth proportional to 348,383.18, 480,768.44 and 197,480.18 is: 272,522.45
Step by Step Solution
- Step 1: Write the proportion equation
348,383.18 : 480,768.44 = 197,480.18 : x - Step 2: Convert to fraction form
348,383.18/480,768.44 = 197,480.18/x - Step 3: Cross multiply
348,383.18x = 480,768.44 × 197,480.18 - Step 4: Simplify right side
348,383.18x = 94,942,238,069.52 - Step 5: Solve for x
x = 94,942,238,069.52/348,383.18 - Step 6: Final answer
x = 272,522.45
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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.