Finding the Fourth Proportional to 324,615.10, 487,068.45 and 147,030.70
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Solution
The fourth proportional to 324,615.10, 487,068.45 and 147,030.70 is: 220,612.09
Step by Step Solution
- Step 1: Write the proportion equation
324,615.10 : 487,068.45 = 147,030.70 : x - Step 2: Convert to fraction form
324,615.10/487,068.45 = 147,030.70/x - Step 3: Cross multiply
324,615.10x = 487,068.45 × 147,030.70 - Step 4: Simplify right side
324,615.10x = 71,614,015,151.42 - Step 5: Solve for x
x = 71,614,015,151.42/324,615.10 - Step 6: Final answer
x = 220,612.09
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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.