Finding the Fourth Proportional to 286,939.18, 430,461.02 and 94,824.60
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Solution
The fourth proportional to 286,939.18, 430,461.02 and 94,824.60 is: 142,254.17
Step by Step Solution
- Step 1: Write the proportion equation
286,939.18 : 430,461.02 = 94,824.60 : x - Step 2: Convert to fraction form
286,939.18/430,461.02 = 94,824.60/x - Step 3: Cross multiply
286,939.18x = 430,461.02 × 94,824.60 - Step 4: Simplify right side
286,939.18x = 40,818,294,037.09 - Step 5: Solve for x
x = 40,818,294,037.09/286,939.18 - Step 6: Final answer
x = 142,254.17
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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.