Finding the Fourth Proportional to 124,921.58, 187,355.24 and 39,539.08
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Solution
The fourth proportional to 124,921.58, 187,355.24 and 39,539.08 is: 59,300.03
Step by Step Solution
- Step 1: Write the proportion equation
124,921.58 : 187,355.24 = 39,539.08 : x - Step 2: Convert to fraction form
124,921.58/187,355.24 = 39,539.08/x - Step 3: Cross multiply
124,921.58x = 187,355.24 × 39,539.08 - Step 4: Simplify right side
124,921.58x = 7,407,853,156.70 - Step 5: Solve for x
x = 7,407,853,156.70/124,921.58 - Step 6: Final answer
x = 59,300.03
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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.