Finding the Fourth Proportional to 286,519.02, 429,864.39 and 115,652.76
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Solution
The fourth proportional to 286,519.02, 429,864.39 and 115,652.76 is: 173,513.80
Step by Step Solution
- Step 1: Write the proportion equation
286,519.02 : 429,864.39 = 115,652.76 : x - Step 2: Convert to fraction form
286,519.02/429,864.39 = 115,652.76/x - Step 3: Cross multiply
286,519.02x = 429,864.39 × 115,652.76 - Step 4: Simplify right side
286,519.02x = 49,715,003,129.22 - Step 5: Solve for x
x = 49,715,003,129.22/286,519.02 - Step 6: Final answer
x = 173,513.80
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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.