Finding the Fourth Proportional to 320,062.14, 480,394.50 and 162,403.74
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Solution
The fourth proportional to 320,062.14, 480,394.50 and 162,403.74 is: 243,758.49
Step by Step Solution
- Step 1: Write the proportion equation
320,062.14 : 480,394.50 = 162,403.74 : x - Step 2: Convert to fraction form
320,062.14/480,394.50 = 162,403.74/x - Step 3: Cross multiply
320,062.14x = 480,394.50 × 162,403.74 - Step 4: Simplify right side
320,062.14x = 78,017,863,475.43 - Step 5: Solve for x
x = 78,017,863,475.43/320,062.14 - Step 6: Final answer
x = 243,758.49
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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.