Finding the Fourth Proportional to 487,272.05, 731,032.65 and 202,868.08
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Solution
The fourth proportional to 487,272.05, 731,032.65 and 202,868.08 is: 304,353.98
Step by Step Solution
- Step 1: Write the proportion equation
487,272.05 : 731,032.65 = 202,868.08 : x - Step 2: Convert to fraction form
487,272.05/731,032.65 = 202,868.08/x - Step 3: Cross multiply
487,272.05x = 731,032.65 × 202,868.08 - Step 4: Simplify right side
487,272.05x = 148,303,190,122.81 - Step 5: Solve for x
x = 148,303,190,122.81/487,272.05 - Step 6: Final answer
x = 304,353.98
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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.