Finding the Fourth Proportional to 346,775.55, 520,163.34 and 97,457.55
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Solution
The fourth proportional to 346,775.55, 520,163.34 and 97,457.55 is: 146,186.33
Step by Step Solution
- Step 1: Write the proportion equation
346,775.55 : 520,163.34 = 97,457.55 : x - Step 2: Convert to fraction form
346,775.55/520,163.34 = 97,457.55/x - Step 3: Cross multiply
346,775.55x = 520,163.34 × 97,457.55 - Step 4: Simplify right side
346,775.55x = 50,693,844,716.22 - Step 5: Solve for x
x = 50,693,844,716.22/346,775.55 - Step 6: Final answer
x = 146,186.33
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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.