Finding the Fourth Proportional to 134,823.60, 202,235.40 and 84,741.30
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Solution
The fourth proportional to 134,823.60, 202,235.40 and 84,741.30 is: 127,111.95
Step by Step Solution
- Step 1: Write the proportion equation
134,823.60 : 202,235.40 = 84,741.30 : x - Step 2: Convert to fraction form
134,823.60/202,235.40 = 84,741.30/x - Step 3: Cross multiply
134,823.60x = 202,235.40 × 84,741.30 - Step 4: Simplify right side
134,823.60x = 17,137,690,702.02 - Step 5: Solve for x
x = 17,137,690,702.02/134,823.60 - Step 6: Final answer
x = 127,111.95
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1.5x scale
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.