Finding the Fourth Proportional to 316,896.58, 475,345.95 and 80,239.15
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Solution
The fourth proportional to 316,896.58, 475,345.95 and 80,239.15 is: 120,359.00
Step by Step Solution
- Step 1: Write the proportion equation
316,896.58 : 475,345.95 = 80,239.15 : x - Step 2: Convert to fraction form
316,896.58/475,345.95 = 80,239.15/x - Step 3: Cross multiply
316,896.58x = 475,345.95 × 80,239.15 - Step 4: Simplify right side
316,896.58x = 38,141,354,983.94 - Step 5: Solve for x
x = 38,141,354,983.94/316,896.58 - Step 6: Final answer
x = 120,359.00
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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.