Finding the Fourth Proportional to 335,155.05, 502,449.35 and 145,471.95
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Solution
The fourth proportional to 335,155.05, 502,449.35 and 145,471.95 is: 218,084.99
Step by Step Solution
- Step 1: Write the proportion equation
335,155.05 : 502,449.35 = 145,471.95 : x - Step 2: Convert to fraction form
335,155.05/502,449.35 = 145,471.95/x - Step 3: Cross multiply
335,155.05x = 502,449.35 × 145,471.95 - Step 4: Simplify right side
335,155.05x = 73,092,285,993.37 - Step 5: Solve for x
x = 73,092,285,993.37/335,155.05 - Step 6: Final answer
x = 218,084.99
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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.