Finding the Fourth Proportional to 307,811.30, 461,716.95 and 97,465.70
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Solution
The fourth proportional to 307,811.30, 461,716.95 and 97,465.70 is: 146,198.55
Step by Step Solution
- Step 1: Write the proportion equation
307,811.30 : 461,716.95 = 97,465.70 : x - Step 2: Convert to fraction form
307,811.30/461,716.95 = 97,465.70/x - Step 3: Cross multiply
307,811.30x = 461,716.95 × 97,465.70 - Step 4: Simplify right side
307,811.30x = 45,001,565,733.62 - Step 5: Solve for x
x = 45,001,565,733.62/307,811.30 - Step 6: Final answer
x = 146,198.55
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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.