Finding the Fourth Proportional to 424,656.06, 636,984.09 and 154,804.44
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Solution
The fourth proportional to 424,656.06, 636,984.09 and 154,804.44 is: 232,206.65
Step by Step Solution
- Step 1: Write the proportion equation
424,656.06 : 636,984.09 = 154,804.44 : x - Step 2: Convert to fraction form
424,656.06/636,984.09 = 154,804.44/x - Step 3: Cross multiply
424,656.06x = 636,984.09 × 154,804.44 - Step 4: Simplify right side
424,656.06x = 98,607,961,382.42 - Step 5: Solve for x
x = 98,607,961,382.42/424,656.06 - Step 6: Final answer
x = 232,206.65
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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.