Finding the Fourth Proportional to 487,315.71, 730,482.71 and 203,163.53
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Solution
The fourth proportional to 487,315.71, 730,482.71 and 203,163.53 is: 304,540.65
Step by Step Solution
- Step 1: Write the proportion equation
487,315.71 : 730,482.71 = 203,163.53 : x - Step 2: Convert to fraction form
487,315.71/730,482.71 = 203,163.53/x - Step 3: Cross multiply
487,315.71x = 730,482.71 × 203,163.53 - Step 4: Simplify right side
487,315.71x = 148,407,441,299.34 - Step 5: Solve for x
x = 148,407,441,299.34/487,315.71 - Step 6: Final answer
x = 304,540.65
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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.