Finding the Fourth Proportional to 104,885.98, 157,342.68 and 38,357.44
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Solution
The fourth proportional to 104,885.98, 157,342.68 and 38,357.44 is: 57,541.17
Step by Step Solution
- Step 1: Write the proportion equation
104,885.98 : 157,342.68 = 38,357.44 : x - Step 2: Convert to fraction form
104,885.98/157,342.68 = 38,357.44/x - Step 3: Cross multiply
104,885.98x = 157,342.68 × 38,357.44 - Step 4: Simplify right side
104,885.98x = 6,035,262,407.54 - Step 5: Solve for x
x = 6,035,262,407.54/104,885.98 - Step 6: Final answer
x = 57,541.17
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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.