Finding the Fourth Proportional to 310,028.19, 427,835.14 and 174,058.75
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Solution
The fourth proportional to 310,028.19, 427,835.14 and 174,058.75 is: 240,198.96
Step by Step Solution
- Step 1: Write the proportion equation
310,028.19 : 427,835.14 = 174,058.75 : x - Step 2: Convert to fraction form
310,028.19/427,835.14 = 174,058.75/x - Step 3: Cross multiply
310,028.19x = 427,835.14 × 174,058.75 - Step 4: Simplify right side
310,028.19x = 74,468,449,674.48 - Step 5: Solve for x
x = 74,468,449,674.48/310,028.19 - Step 6: Final answer
x = 240,198.96
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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.