Finding the Fourth Proportional to 368,584.05, 508,662.37 and 207,449.54
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Solution
The fourth proportional to 368,584.05, 508,662.37 and 207,449.54 is: 286,289.58
Step by Step Solution
- Step 1: Write the proportion equation
368,584.05 : 508,662.37 = 207,449.54 : x - Step 2: Convert to fraction form
368,584.05/508,662.37 = 207,449.54/x - Step 3: Cross multiply
368,584.05x = 508,662.37 × 207,449.54 - Step 4: Simplify right side
368,584.05x = 105,521,774,671.81 - Step 5: Solve for x
x = 105,521,774,671.81/368,584.05 - Step 6: Final answer
x = 286,289.58
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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.