Finding the Fourth Proportional to 307,518.80, 461,261.79 and 82,875.62
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Solution
The fourth proportional to 307,518.80, 461,261.79 and 82,875.62 is: 124,309.00
Step by Step Solution
- Step 1: Write the proportion equation
307,518.80 : 461,261.79 = 82,875.62 : x - Step 2: Convert to fraction form
307,518.80/461,261.79 = 82,875.62/x - Step 3: Cross multiply
307,518.80x = 461,261.79 × 82,875.62 - Step 4: Simplify right side
307,518.80x = 38,227,354,522.25 - Step 5: Solve for x
x = 38,227,354,522.25/307,518.80 - Step 6: Final answer
x = 124,309.00
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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.