Finding the Fourth Proportional to 320,484.96, 442,324.71 and 193,160.70
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Solution
The fourth proportional to 320,484.96, 442,324.71 and 193,160.70 is: 266,595.20
Step by Step Solution
- Step 1: Write the proportion equation
320,484.96 : 442,324.71 = 193,160.70 : x - Step 2: Convert to fraction form
320,484.96/442,324.71 = 193,160.70/x - Step 3: Cross multiply
320,484.96x = 442,324.71 × 193,160.70 - Step 4: Simplify right side
320,484.96x = 85,439,750,610.90 - Step 5: Solve for x
x = 85,439,750,610.90/320,484.96 - Step 6: Final answer
x = 266,595.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.