Finding the Fourth Proportional to 549,276.80, 823,915.20 and 194,691.20
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Solution
The fourth proportional to 549,276.80, 823,915.20 and 194,691.20 is: 292,036.80
Step by Step Solution
- Step 1: Write the proportion equation
549,276.80 : 823,915.20 = 194,691.20 : x - Step 2: Convert to fraction form
549,276.80/823,915.20 = 194,691.20/x - Step 3: Cross multiply
549,276.80x = 823,915.20 × 194,691.20 - Step 4: Simplify right side
549,276.80x = 160,409,038,986.24 - Step 5: Solve for x
x = 160,409,038,986.24/549,276.80 - Step 6: Final answer
x = 292,036.80
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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.