Finding the Fourth Proportional to 539,787.51, 809,795.44 and 202,831.07
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Solution
The fourth proportional to 539,787.51, 809,795.44 and 202,831.07 is: 304,289.52
Step by Step Solution
- Step 1: Write the proportion equation
539,787.51 : 809,795.44 = 202,831.07 : x - Step 2: Convert to fraction form
539,787.51/809,795.44 = 202,831.07/x - Step 3: Cross multiply
539,787.51x = 809,795.44 × 202,831.07 - Step 4: Simplify right side
539,787.51x = 164,251,679,538.39 - Step 5: Solve for x
x = 164,251,679,538.39/539,787.51 - Step 6: Final answer
x = 304,289.52
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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.