Finding the Fourth Proportional to 475,842.18, 713,796.06 and 138,885.62
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Solution
The fourth proportional to 475,842.18, 713,796.06 and 138,885.62 is: 208,338.00
Step by Step Solution
- Step 1: Write the proportion equation
475,842.18 : 713,796.06 = 138,885.62 : x - Step 2: Convert to fraction form
475,842.18/713,796.06 = 138,885.62/x - Step 3: Cross multiply
475,842.18x = 713,796.06 × 138,885.62 - Step 4: Simplify right side
475,842.18x = 99,136,008,346.66 - Step 5: Solve for x
x = 99,136,008,346.66/475,842.18 - Step 6: Final answer
x = 208,338.00
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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.