Finding the Fourth Proportional to 307,965.19, 461,948.86 and 94,731.66
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Solution
The fourth proportional to 307,965.19, 461,948.86 and 94,731.66 is: 142,097.82
Step by Step Solution
- Step 1: Write the proportion equation
307,965.19 : 461,948.86 = 94,731.66 : x - Step 2: Convert to fraction form
307,965.19/461,948.86 = 94,731.66/x - Step 3: Cross multiply
307,965.19x = 461,948.86 × 94,731.66 - Step 4: Simplify right side
307,965.19x = 43,761,182,342.91 - Step 5: Solve for x
x = 43,761,182,342.91/307,965.19 - Step 6: Final answer
x = 142,097.82
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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.