Finding the Fourth Proportional to 487,274.16, 730,420.58 and 203,122.05
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Solution
The fourth proportional to 487,274.16, 730,420.58 and 203,122.05 is: 304,478.53
Step by Step Solution
- Step 1: Write the proportion equation
487,274.16 : 730,420.58 = 203,122.05 : x - Step 2: Convert to fraction form
487,274.16/730,420.58 = 203,122.05/x - Step 3: Cross multiply
487,274.16x = 730,420.58 × 203,122.05 - Step 4: Simplify right side
487,274.16x = 148,364,523,340.52 - Step 5: Solve for x
x = 148,364,523,340.52/487,274.16 - Step 6: Final answer
x = 304,478.53
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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.