Finding the Fourth Proportional to 390,714.44, 586,144.62 and 177,497.32
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Solution
The fourth proportional to 390,714.44, 586,144.62 and 177,497.32 is: 266,279.12
Step by Step Solution
- Step 1: Write the proportion equation
390,714.44 : 586,144.62 = 177,497.32 : x - Step 2: Convert to fraction form
390,714.44/586,144.62 = 177,497.32/x - Step 3: Cross multiply
390,714.44x = 586,144.62 × 177,497.32 - Step 4: Simplify right side
390,714.44x = 104,039,099,182.42 - Step 5: Solve for x
x = 104,039,099,182.42/390,714.44 - Step 6: Final answer
x = 266,279.12
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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.