Finding the Fourth Proportional to 387,343.01, 579,936.74 and 197,393.82
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Solution
The fourth proportional to 387,343.01, 579,936.74 and 197,393.82 is: 295,541.49
Step by Step Solution
- Step 1: Write the proportion equation
387,343.01 : 579,936.74 = 197,393.82 : x - Step 2: Convert to fraction form
387,343.01/579,936.74 = 197,393.82/x - Step 3: Cross multiply
387,343.01x = 579,936.74 × 197,393.82 - Step 4: Simplify right side
387,343.01x = 114,475,927,479.98 - Step 5: Solve for x
x = 114,475,927,479.98/387,343.01 - Step 6: Final answer
x = 295,541.49
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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.