Finding the Fourth Proportional to 346,593.30, 519,889.95 and 196,775.70
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Solution
The fourth proportional to 346,593.30, 519,889.95 and 196,775.70 is: 295,163.55
Step by Step Solution
- Step 1: Write the proportion equation
346,593.30 : 519,889.95 = 196,775.70 : x - Step 2: Convert to fraction form
346,593.30/519,889.95 = 196,775.70/x - Step 3: Cross multiply
346,593.30x = 519,889.95 × 196,775.70 - Step 4: Simplify right side
346,593.30x = 102,301,708,834.22 - Step 5: Solve for x
x = 102,301,708,834.22/346,593.30 - Step 6: Final answer
x = 295,163.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.