Finding the Fourth Proportional to 348,190.98, 480,326.68 and 227,402.97
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Solution
The fourth proportional to 348,190.98, 480,326.68 and 227,402.97 is: 313,700.58
Step by Step Solution
- Step 1: Write the proportion equation
348,190.98 : 480,326.68 = 227,402.97 : x - Step 2: Convert to fraction form
348,190.98/480,326.68 = 227,402.97/x - Step 3: Cross multiply
348,190.98x = 480,326.68 × 227,402.97 - Step 4: Simplify right side
348,190.98x = 109,227,713,602.24 - Step 5: Solve for x
x = 109,227,713,602.24/348,190.98 - Step 6: Final answer
x = 313,700.58
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1.5x scale
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.