Finding the Fourth Proportional to 202,417.49, 279,417.93 and 121,914.02
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Solution
The fourth proportional to 202,417.49, 279,417.93 and 121,914.02 is: 168,290.61
Step by Step Solution
- Step 1: Write the proportion equation
202,417.49 : 279,417.93 = 121,914.02 : x - Step 2: Convert to fraction form
202,417.49/279,417.93 = 121,914.02/x - Step 3: Cross multiply
202,417.49x = 279,417.93 × 121,914.02 - Step 4: Simplify right side
202,417.49x = 34,064,963,106.38 - Step 5: Solve for x
x = 34,064,963,106.38/202,417.49 - Step 6: Final answer
x = 168,290.61
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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.