Finding the Fourth Proportional to 368,308.60, 508,260.77 and 207,163.76
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Solution
The fourth proportional to 368,308.60, 508,260.77 and 207,163.76 is: 285,883.12
Step by Step Solution
- Step 1: Write the proportion equation
368,308.60 : 508,260.77 = 207,163.76 : x - Step 2: Convert to fraction form
368,308.60/508,260.77 = 207,163.76/x - Step 3: Cross multiply
368,308.60x = 508,260.77 × 207,163.76 - Step 4: Simplify right side
368,308.60x = 105,293,209,867.22 - Step 5: Solve for x
x = 105,293,209,867.22/368,308.60 - Step 6: Final answer
x = 285,883.12
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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.