Finding the Fourth Proportional to 316,664.08, 474,997.03 and 76,777.02
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Solution
The fourth proportional to 316,664.08, 474,997.03 and 76,777.02 is: 115,165.75
Step by Step Solution
- Step 1: Write the proportion equation
316,664.08 : 474,997.03 = 76,777.02 : x - Step 2: Convert to fraction form
316,664.08/474,997.03 = 76,777.02/x - Step 3: Cross multiply
316,664.08x = 474,997.03 × 76,777.02 - Step 4: Simplify right side
316,664.08x = 36,468,856,280.31 - Step 5: Solve for x
x = 36,468,856,280.31/316,664.08 - Step 6: Final answer
x = 115,165.75
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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.