Finding the Fourth Proportional to 370,305.60, 555,343.20 and 133,617.44
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Solution
The fourth proportional to 370,305.60, 555,343.20 and 133,617.44 is: 200,384.59
Step by Step Solution
- Step 1: Write the proportion equation
370,305.60 : 555,343.20 = 133,617.44 : x - Step 2: Convert to fraction form
370,305.60/555,343.20 = 133,617.44/x - Step 3: Cross multiply
370,305.60x = 555,343.20 × 133,617.44 - Step 4: Simplify right side
370,305.60x = 74,203,536,705.41 - Step 5: Solve for x
x = 74,203,536,705.41/370,305.60 - Step 6: Final answer
x = 200,384.59
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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.