Finding the Fourth Proportional to 318,633.80, 439,714.50 and 184,497.80
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Solution
The fourth proportional to 318,633.80, 439,714.50 and 184,497.80 is: 254,606.88
Step by Step Solution
- Step 1: Write the proportion equation
318,633.80 : 439,714.50 = 184,497.80 : x - Step 2: Convert to fraction form
318,633.80/439,714.50 = 184,497.80/x - Step 3: Cross multiply
318,633.80x = 439,714.50 × 184,497.80 - Step 4: Simplify right side
318,633.80x = 81,126,357,878.10 - Step 5: Solve for x
x = 81,126,357,878.10/318,633.80 - Step 6: Final answer
x = 254,606.88
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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.