Finding the Fourth Proportional to 359,431.98, 539,055.66 and 106,652.68
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Solution
The fourth proportional to 359,431.98, 539,055.66 and 106,652.68 is: 159,951.63
Step by Step Solution
- Step 1: Write the proportion equation
359,431.98 : 539,055.66 = 106,652.68 : x - Step 2: Convert to fraction form
359,431.98/539,055.66 = 106,652.68/x - Step 3: Cross multiply
359,431.98x = 539,055.66 × 106,652.68 - Step 4: Simplify right side
359,431.98x = 57,491,730,808.17 - Step 5: Solve for x
x = 57,491,730,808.17/359,431.98 - Step 6: Final answer
x = 159,951.63
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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.