Finding the Fourth Proportional to 348,637.06, 481,402.74 and 284,115.80
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Solution
The fourth proportional to 348,637.06, 481,402.74 and 284,115.80 is: 392,310.92
Step by Step Solution
- Step 1: Write the proportion equation
348,637.06 : 481,402.74 = 284,115.80 : x - Step 2: Convert to fraction form
348,637.06/481,402.74 = 284,115.80/x - Step 3: Cross multiply
348,637.06x = 481,402.74 × 284,115.80 - Step 4: Simplify right side
348,637.06x = 136,774,126,866.23 - Step 5: Solve for x
x = 136,774,126,866.23/348,637.06 - Step 6: Final answer
x = 392,310.92
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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.