Finding the Fourth Proportional to 368,054.12, 507,932.70 and 206,959.70
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Solution
The fourth proportional to 368,054.12, 507,932.70 and 206,959.70 is: 285,614.52
Step by Step Solution
- Step 1: Write the proportion equation
368,054.12 : 507,932.70 = 206,959.70 : x - Step 2: Convert to fraction form
368,054.12/507,932.70 = 206,959.70/x - Step 3: Cross multiply
368,054.12x = 507,932.70 × 206,959.70 - Step 4: Simplify right side
368,054.12x = 105,121,599,212.19 - Step 5: Solve for x
x = 105,121,599,212.19/368,054.12 - Step 6: Final answer
x = 285,614.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.