Finding the Fourth Proportional to 152,534.47, 210,372.78 and 107,361.99
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Solution
The fourth proportional to 152,534.47, 210,372.78 and 107,361.99 is: 148,071.71
Step by Step Solution
- Step 1: Write the proportion equation
152,534.47 : 210,372.78 = 107,361.99 : x - Step 2: Convert to fraction form
152,534.47/210,372.78 = 107,361.99/x - Step 3: Cross multiply
152,534.47x = 210,372.78 × 107,361.99 - Step 4: Simplify right side
152,534.47x = 22,586,040,302.63 - Step 5: Solve for x
x = 22,586,040,302.63/152,534.47 - Step 6: Final answer
x = 148,071.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.