Finding the Fourth Proportional to 404,848.94, 606,866.99 and 138,427.23
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Solution
The fourth proportional to 404,848.94, 606,866.99 and 138,427.23 is: 207,501.88
Step by Step Solution
- Step 1: Write the proportion equation
404,848.94 : 606,866.99 = 138,427.23 : x - Step 2: Convert to fraction form
404,848.94/606,866.99 = 138,427.23/x - Step 3: Cross multiply
404,848.94x = 606,866.99 × 138,427.23 - Step 4: Simplify right side
404,848.94x = 84,006,914,574.13 - Step 5: Solve for x
x = 84,006,914,574.13/404,848.94 - Step 6: Final answer
x = 207,501.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.