Finding the Fourth Proportional to 308,367.30, 462,534.40 and 97,988.84
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Solution
The fourth proportional to 308,367.30, 462,534.40 and 97,988.84 is: 146,978.00
Step by Step Solution
- Step 1: Write the proportion equation
308,367.30 : 462,534.40 = 97,988.84 : x - Step 2: Convert to fraction form
308,367.30/462,534.40 = 97,988.84/x - Step 3: Cross multiply
308,367.30x = 462,534.40 × 97,988.84 - Step 4: Simplify right side
308,367.30x = 45,323,208,860.41 - Step 5: Solve for x
x = 45,323,208,860.41/308,367.30 - Step 6: Final answer
x = 146,978.00
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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.