Finding the Fourth Proportional to 486,792.34, 671,778.99 and 269,000.17
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Solution
The fourth proportional to 486,792.34, 671,778.99 and 269,000.17 is: 371,223.31
Step by Step Solution
- Step 1: Write the proportion equation
486,792.34 : 671,778.99 = 269,000.17 : x - Step 2: Convert to fraction form
486,792.34/671,778.99 = 269,000.17/x - Step 3: Cross multiply
486,792.34x = 671,778.99 × 269,000.17 - Step 4: Simplify right side
486,792.34x = 180,708,660,832.98 - Step 5: Solve for x
x = 180,708,660,832.98/486,792.34 - Step 6: Final answer
x = 371,223.31
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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.