Finding the Fourth Proportional to 134,867.80, 202,382.70 and 55,973.80
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Solution
The fourth proportional to 134,867.80, 202,382.70 and 55,973.80 is: 83,994.32
Step by Step Solution
- Step 1: Write the proportion equation
134,867.80 : 202,382.70 = 55,973.80 : x - Step 2: Convert to fraction form
134,867.80/202,382.70 = 55,973.80/x - Step 3: Cross multiply
134,867.80x = 202,382.70 × 55,973.80 - Step 4: Simplify right side
134,867.80x = 11,328,128,773.26 - Step 5: Solve for x
x = 11,328,128,773.26/134,867.80 - Step 6: Final answer
x = 83,994.32
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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.