Finding the Fourth Proportional to 313,853.68, 433,108.98 and 177,900.16
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Solution
The fourth proportional to 313,853.68, 433,108.98 and 177,900.16 is: 245,497.06
Step by Step Solution
- Step 1: Write the proportion equation
313,853.68 : 433,108.98 = 177,900.16 : x - Step 2: Convert to fraction form
313,853.68/433,108.98 = 177,900.16/x - Step 3: Cross multiply
313,853.68x = 433,108.98 × 177,900.16 - Step 4: Simplify right side
313,853.68x = 77,050,156,839.44 - Step 5: Solve for x
x = 77,050,156,839.44/313,853.68 - Step 6: Final answer
x = 245,497.06
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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.