Finding the Fourth Proportional to 292,237.60, 438,226.80 and 134,514.40
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Solution
The fourth proportional to 292,237.60, 438,226.80 and 134,514.40 is: 201,711.95
Step by Step Solution
- Step 1: Write the proportion equation
292,237.60 : 438,226.80 = 134,514.40 : x - Step 2: Convert to fraction form
292,237.60/438,226.80 = 134,514.40/x - Step 3: Cross multiply
292,237.60x = 438,226.80 × 134,514.40 - Step 4: Simplify right side
292,237.60x = 58,947,815,065.92 - Step 5: Solve for x
x = 58,947,815,065.92/292,237.60 - Step 6: Final answer
x = 201,711.95
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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.