Finding the Fourth Proportional to 254,202.09, 350,787.14 and 139,477.87
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Solution
The fourth proportional to 254,202.09, 350,787.14 and 139,477.87 is: 192,473.02
Step by Step Solution
- Step 1: Write the proportion equation
254,202.09 : 350,787.14 = 139,477.87 : x - Step 2: Convert to fraction form
254,202.09/350,787.14 = 139,477.87/x - Step 3: Cross multiply
254,202.09x = 350,787.14 × 139,477.87 - Step 4: Simplify right side
254,202.09x = 48,927,043,374.73 - Step 5: Solve for x
x = 48,927,043,374.73/254,202.09 - Step 6: Final answer
x = 192,473.02
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1.5x scale
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.