Finding the Fourth Proportional to 313,461.24, 432,581.68 and 177,491.60
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Solution
The fourth proportional to 313,461.24, 432,581.68 and 177,491.60 is: 244,941.33
Step by Step Solution
- Step 1: Write the proportion equation
313,461.24 : 432,581.68 = 177,491.60 : x - Step 2: Convert to fraction form
313,461.24/432,581.68 = 177,491.60/x - Step 3: Cross multiply
313,461.24x = 432,581.68 × 177,491.60 - Step 4: Simplify right side
313,461.24x = 76,779,614,513.89 - Step 5: Solve for x
x = 76,779,614,513.89/313,461.24 - Step 6: Final answer
x = 244,941.33
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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.