Finding the Fourth Proportional to 134,791.40, 202,332.90 and 84,927.80
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Solution
The fourth proportional to 134,791.40, 202,332.90 and 84,927.80 is: 127,483.56
Step by Step Solution
- Step 1: Write the proportion equation
134,791.40 : 202,332.90 = 84,927.80 : x - Step 2: Convert to fraction form
134,791.40/202,332.90 = 84,927.80/x - Step 3: Cross multiply
134,791.40x = 202,332.90 × 84,927.80 - Step 4: Simplify right side
134,791.40x = 17,183,688,064.62 - Step 5: Solve for x
x = 17,183,688,064.62/134,791.40 - Step 6: Final answer
x = 127,483.56
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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.