Finding the Fourth Proportional to 368,308.48, 508,260.59 and 207,163.63
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Solution
The fourth proportional to 368,308.48, 508,260.59 and 207,163.63 is: 285,882.94
Step by Step Solution
- Step 1: Write the proportion equation
368,308.48 : 508,260.59 = 207,163.63 : x - Step 2: Convert to fraction form
368,308.48/508,260.59 = 207,163.63/x - Step 3: Cross multiply
368,308.48x = 508,260.59 × 207,163.63 - Step 4: Simplify right side
368,308.48x = 105,293,110,598.90 - Step 5: Solve for x
x = 105,293,110,598.90/368,308.48 - Step 6: Final answer
x = 285,882.94
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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.