Finding the Fourth Proportional to 312,497.93, 468,774.58 and 87,860.31
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Solution
The fourth proportional to 312,497.93, 468,774.58 and 87,860.31 is: 131,798.26
Step by Step Solution
- Step 1: Write the proportion equation
312,497.93 : 468,774.58 = 87,860.31 : x - Step 2: Convert to fraction form
312,497.93/468,774.58 = 87,860.31/x - Step 3: Cross multiply
312,497.93x = 468,774.58 × 87,860.31 - Step 4: Simplify right side
312,497.93x = 41,186,681,814.28 - Step 5: Solve for x
x = 41,186,681,814.28/312,497.93 - Step 6: Final answer
x = 131,798.26
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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.