Finding the Fourth Proportional to 320,543.80, 480,390.99 and 170,460.92
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Solution
The fourth proportional to 320,543.80, 480,390.99 and 170,460.92 is: 255,465.53
Step by Step Solution
- Step 1: Write the proportion equation
320,543.80 : 480,390.99 = 170,460.92 : x - Step 2: Convert to fraction form
320,543.80/480,390.99 = 170,460.92/x - Step 3: Cross multiply
320,543.80x = 480,390.99 × 170,460.92 - Step 4: Simplify right side
320,543.80x = 81,887,890,676.86 - Step 5: Solve for x
x = 81,887,890,676.86/320,543.80 - Step 6: Final answer
x = 255,465.53
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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.