Finding the Fourth Proportional to 148,611.59, 205,083.99 and 84,950.75
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Solution
The fourth proportional to 148,611.59, 205,083.99 and 84,950.75 is: 117,232.03
Step by Step Solution
- Step 1: Write the proportion equation
148,611.59 : 205,083.99 = 84,950.75 : x - Step 2: Convert to fraction form
148,611.59/205,083.99 = 84,950.75/x - Step 3: Cross multiply
148,611.59x = 205,083.99 × 84,950.75 - Step 4: Simplify right side
148,611.59x = 17,422,038,579.94 - Step 5: Solve for x
x = 17,422,038,579.94/148,611.59 - Step 6: Final answer
x = 117,232.03
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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.