Finding the Fourth Proportional to 631,203.10, 871,061.25 and 359,270.99
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Solution
The fourth proportional to 631,203.10, 871,061.25 and 359,270.99 is: 495,794.52
Step by Step Solution
- Step 1: Write the proportion equation
631,203.10 : 871,061.25 = 359,270.99 : x - Step 2: Convert to fraction form
631,203.10/871,061.25 = 359,270.99/x - Step 3: Cross multiply
631,203.10x = 871,061.25 × 359,270.99 - Step 4: Simplify right side
631,203.10x = 312,947,037,638.14 - Step 5: Solve for x
x = 312,947,037,638.14/631,203.10 - Step 6: Final answer
x = 495,794.52
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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.