Finding the Fourth Proportional to 439,415.76, 659,320.56 and 202,631.52
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Solution
The fourth proportional to 439,415.76, 659,320.56 and 202,631.52 is: 304,038.09
Step by Step Solution
- Step 1: Write the proportion equation
439,415.76 : 659,320.56 = 202,631.52 : x - Step 2: Convert to fraction form
439,415.76/659,320.56 = 202,631.52/x - Step 3: Cross multiply
439,415.76x = 659,320.56 × 202,631.52 - Step 4: Simplify right side
439,415.76x = 133,599,127,240.05 - Step 5: Solve for x
x = 133,599,127,240.05/439,415.76 - Step 6: Final answer
x = 304,038.09
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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.