Finding the Fourth Proportional to 309,936.08, 464,901.96 and 88,320.08
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Solution
The fourth proportional to 309,936.08, 464,901.96 and 88,320.08 is: 132,479.50
Step by Step Solution
- Step 1: Write the proportion equation
309,936.08 : 464,901.96 = 88,320.08 : x - Step 2: Convert to fraction form
309,936.08/464,901.96 = 88,320.08/x - Step 3: Cross multiply
309,936.08x = 464,901.96 × 88,320.08 - Step 4: Simplify right side
309,936.08x = 41,060,178,299.36 - Step 5: Solve for x
x = 41,060,178,299.36/309,936.08 - Step 6: Final answer
x = 132,479.50
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1.5x scale
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.