Finding the Fourth Proportional to 313,374.25, 432,461.55 and 177,404.68
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Solution
The fourth proportional to 313,374.25, 432,461.55 and 177,404.68 is: 244,821.34
Step by Step Solution
- Step 1: Write the proportion equation
313,374.25 : 432,461.55 = 177,404.68 : x - Step 2: Convert to fraction form
313,374.25/432,461.55 = 177,404.68/x - Step 3: Cross multiply
313,374.25x = 432,461.55 × 177,404.68 - Step 4: Simplify right side
313,374.25x = 76,720,702,890.05 - Step 5: Solve for x
x = 76,720,702,890.05/313,374.25 - Step 6: Final answer
x = 244,821.34
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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.