Finding the Fourth Proportional to 199,590.42, 299,479.02 and 87,256.08
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Solution
The fourth proportional to 199,590.42, 299,479.02 and 87,256.08 is: 130,924.95
Step by Step Solution
- Step 1: Write the proportion equation
199,590.42 : 299,479.02 = 87,256.08 : x - Step 2: Convert to fraction form
199,590.42/299,479.02 = 87,256.08/x - Step 3: Cross multiply
199,590.42x = 299,479.02 × 87,256.08 - Step 4: Simplify right side
199,590.42x = 26,131,365,327.44 - Step 5: Solve for x
x = 26,131,365,327.44/199,590.42 - Step 6: Final answer
x = 130,924.95
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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.