Finding the Fourth Proportional to 276,088.98, 414,142.74 and 76,392.70
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Solution
The fourth proportional to 276,088.98, 414,142.74 and 76,392.70 is: 114,591.61
Step by Step Solution
- Step 1: Write the proportion equation
276,088.98 : 414,142.74 = 76,392.70 : x - Step 2: Convert to fraction form
276,088.98/414,142.74 = 76,392.70/x - Step 3: Cross multiply
276,088.98x = 414,142.74 × 76,392.70 - Step 4: Simplify right side
276,088.98x = 31,637,482,094.00 - Step 5: Solve for x
x = 31,637,482,094.00/276,088.98 - Step 6: Final answer
x = 114,591.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.