Finding the Fourth Proportional to 296,463.84, 444,376.80 and 128,063.40
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Solution
The fourth proportional to 296,463.84, 444,376.80 and 128,063.40 is: 191,957.32
Step by Step Solution
- Step 1: Write the proportion equation
296,463.84 : 444,376.80 = 128,063.40 : x - Step 2: Convert to fraction form
296,463.84/444,376.80 = 128,063.40/x - Step 3: Cross multiply
296,463.84x = 444,376.80 × 128,063.40 - Step 4: Simplify right side
296,463.84x = 56,908,403,889.12 - Step 5: Solve for x
x = 56,908,403,889.12/296,463.84 - Step 6: Final answer
x = 191,957.32
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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.