Finding the Fourth Proportional to 493,352.80, 739,705.20 and 193,652.80
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Solution
The fourth proportional to 493,352.80, 739,705.20 and 193,652.80 is: 290,352.02
Step by Step Solution
- Step 1: Write the proportion equation
493,352.80 : 739,705.20 = 193,652.80 : x - Step 2: Convert to fraction form
493,352.80/739,705.20 = 193,652.80/x - Step 3: Cross multiply
493,352.80x = 739,705.20 × 193,652.80 - Step 4: Simplify right side
493,352.80x = 143,245,983,154.56 - Step 5: Solve for x
x = 143,245,983,154.56/493,352.80 - Step 6: Final answer
x = 290,352.02
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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.