Finding the Fourth Proportional to 372,848.80, 514,533.84 and 203,081.44
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Solution
The fourth proportional to 372,848.80, 514,533.84 and 203,081.44 is: 280,253.75
Step by Step Solution
- Step 1: Write the proportion equation
372,848.80 : 514,533.84 = 203,081.44 : x - Step 2: Convert to fraction form
372,848.80/514,533.84 = 203,081.44/x - Step 3: Cross multiply
372,848.80x = 514,533.84 × 203,081.44 - Step 4: Simplify right side
372,848.80x = 104,492,273,155.93 - Step 5: Solve for x
x = 104,492,273,155.93/372,848.80 - Step 6: Final answer
x = 280,253.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.