Finding the Fourth Proportional to 354,129.06, 531,192.74 and 110,988.75
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Solution
The fourth proportional to 354,129.06, 531,192.74 and 110,988.75 is: 166,482.86
Step by Step Solution
- Step 1: Write the proportion equation
354,129.06 : 531,192.74 = 110,988.75 : x - Step 2: Convert to fraction form
354,129.06/531,192.74 = 110,988.75/x - Step 3: Cross multiply
354,129.06x = 531,192.74 × 110,988.75 - Step 4: Simplify right side
354,129.06x = 58,956,417,666.73 - Step 5: Solve for x
x = 58,956,417,666.73/354,129.06 - Step 6: Final answer
x = 166,482.86
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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.