Finding the Fourth Proportional to 286,748.37, 430,126.61 and 109,265.09
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Solution
The fourth proportional to 286,748.37, 430,126.61 and 109,265.09 is: 163,899.17
Step by Step Solution
- Step 1: Write the proportion equation
286,748.37 : 430,126.61 = 109,265.09 : x - Step 2: Convert to fraction form
286,748.37/430,126.61 = 109,265.09/x - Step 3: Cross multiply
286,748.37x = 430,126.61 × 109,265.09 - Step 4: Simplify right side
286,748.37x = 46,997,820,056.09 - Step 5: Solve for x
x = 46,997,820,056.09/286,748.37 - Step 6: Final answer
x = 163,899.17
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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.