Finding the Fourth Proportional to 351,971.93, 485,593.98 and 231,178.70
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Solution
The fourth proportional to 351,971.93, 485,593.98 and 231,178.70 is: 318,943.00
Step by Step Solution
- Step 1: Write the proportion equation
351,971.93 : 485,593.98 = 231,178.70 : x - Step 2: Convert to fraction form
351,971.93/485,593.98 = 231,178.70/x - Step 3: Cross multiply
351,971.93x = 485,593.98 × 231,178.70 - Step 4: Simplify right side
351,971.93x = 112,258,985,024.23 - Step 5: Solve for x
x = 112,258,985,024.23/351,971.93 - Step 6: Final answer
x = 318,943.00
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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.