Finding the Fourth Proportional to 146,403.36, 202,036.74 and 79,335.36
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Solution
The fourth proportional to 146,403.36, 202,036.74 and 79,335.36 is: 109,482.85
Step by Step Solution
- Step 1: Write the proportion equation
146,403.36 : 202,036.74 = 79,335.36 : x - Step 2: Convert to fraction form
146,403.36/202,036.74 = 79,335.36/x - Step 3: Cross multiply
146,403.36x = 202,036.74 × 79,335.36 - Step 4: Simplify right side
146,403.36x = 16,028,657,501.13 - Step 5: Solve for x
x = 16,028,657,501.13/146,403.36 - Step 6: Final answer
x = 109,482.85
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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.