Finding the Fourth Proportional to 307,710.60, 461,772.09 and 108,031.62
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Solution
The fourth proportional to 307,710.60, 461,772.09 and 108,031.62 is: 162,119.83
Step by Step Solution
- Step 1: Write the proportion equation
307,710.60 : 461,772.09 = 108,031.62 : x - Step 2: Convert to fraction form
307,710.60/461,772.09 = 108,031.62/x - Step 3: Cross multiply
307,710.60x = 461,772.09 × 108,031.62 - Step 4: Simplify right side
307,710.60x = 49,885,988,685.13 - Step 5: Solve for x
x = 49,885,988,685.13/307,710.60 - Step 6: Final answer
x = 162,119.83
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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.