Finding the Fourth Proportional to 348,542.36, 480,968.52 and 193,485.68
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Solution
The fourth proportional to 348,542.36, 480,968.52 and 193,485.68 is: 266,999.17
Step by Step Solution
- Step 1: Write the proportion equation
348,542.36 : 480,968.52 = 193,485.68 : x - Step 2: Convert to fraction form
348,542.36/480,968.52 = 193,485.68/x - Step 3: Cross multiply
348,542.36x = 480,968.52 × 193,485.68 - Step 4: Simplify right side
348,542.36x = 93,060,521,150.79 - Step 5: Solve for x
x = 93,060,521,150.79/348,542.36 - Step 6: Final answer
x = 266,999.17
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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.