Finding the Fourth Proportional to 347,922.76, 480,133.40 and 197,048.92
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Solution
The fourth proportional to 347,922.76, 480,133.40 and 197,048.92 is: 271,927.50
Step by Step Solution
- Step 1: Write the proportion equation
347,922.76 : 480,133.40 = 197,048.92 : x - Step 2: Convert to fraction form
347,922.76/480,133.40 = 197,048.92/x - Step 3: Cross multiply
347,922.76x = 480,133.40 × 197,048.92 - Step 4: Simplify right side
347,922.76x = 94,609,767,925.93 - Step 5: Solve for x
x = 94,609,767,925.93/347,922.76 - Step 6: Final answer
x = 271,927.50
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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.