Finding the Fourth Proportional to 319,308.08, 440,645.87 and 176,066.87
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Solution
The fourth proportional to 319,308.08, 440,645.87 and 176,066.87 is: 242,972.68
Step by Step Solution
- Step 1: Write the proportion equation
319,308.08 : 440,645.87 = 176,066.87 : x - Step 2: Convert to fraction form
319,308.08/440,645.87 = 176,066.87/x - Step 3: Cross multiply
319,308.08x = 440,645.87 × 176,066.87 - Step 4: Simplify right side
319,308.08x = 77,583,137,346.26 - Step 5: Solve for x
x = 77,583,137,346.26/319,308.08 - Step 6: Final answer
x = 242,972.68
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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.