Finding the Fourth Proportional to 124,323.52, 186,486.58 and 99,521.23
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Solution
The fourth proportional to 124,323.52, 186,486.58 and 99,521.23 is: 149,282.89
Step by Step Solution
- Step 1: Write the proportion equation
124,323.52 : 186,486.58 = 99,521.23 : x - Step 2: Convert to fraction form
124,323.52/186,486.58 = 99,521.23/x - Step 3: Cross multiply
124,323.52x = 186,486.58 × 99,521.23 - Step 4: Simplify right side
124,323.52x = 18,559,373,820.09 - Step 5: Solve for x
x = 18,559,373,820.09/124,323.52 - Step 6: Final answer
x = 149,282.89
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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.