Finding the Fourth Proportional to 319,457.52, 440,848.44 and 174,270.96
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Solution
The fourth proportional to 319,457.52, 440,848.44 and 174,270.96 is: 240,492.32
Step by Step Solution
- Step 1: Write the proportion equation
319,457.52 : 440,848.44 = 174,270.96 : x - Step 2: Convert to fraction form
319,457.52/440,848.44 = 174,270.96/x - Step 3: Cross multiply
319,457.52x = 440,848.44 × 174,270.96 - Step 4: Simplify right side
319,457.52x = 76,827,080,853.30 - Step 5: Solve for x
x = 76,827,080,853.30/319,457.52 - Step 6: Final answer
x = 240,492.32
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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.