Finding the Fourth Proportional to 286,611.68, 429,411.20 and 174,062.08
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Solution
The fourth proportional to 286,611.68, 429,411.20 and 174,062.08 is: 260,785.63
Step by Step Solution
- Step 1: Write the proportion equation
286,611.68 : 429,411.20 = 174,062.08 : x - Step 2: Convert to fraction form
286,611.68/429,411.20 = 174,062.08/x - Step 3: Cross multiply
286,611.68x = 429,411.20 × 174,062.08 - Step 4: Simplify right side
286,611.68x = 74,744,206,647.30 - Step 5: Solve for x
x = 74,744,206,647.30/286,611.68 - Step 6: Final answer
x = 260,785.63
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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.