Finding the Fourth Proportional to 319,051.86, 478,126.26 and 176,959.68
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Solution
The fourth proportional to 319,051.86, 478,126.26 and 176,959.68 is: 265,189.08
Step by Step Solution
- Step 1: Write the proportion equation
319,051.86 : 478,126.26 = 176,959.68 : x - Step 2: Convert to fraction form
319,051.86/478,126.26 = 176,959.68/x - Step 3: Cross multiply
319,051.86x = 478,126.26 × 176,959.68 - Step 4: Simplify right side
319,051.86x = 84,609,069,969.20 - Step 5: Solve for x
x = 84,609,069,969.20/319,051.86 - Step 6: Final answer
x = 265,189.08
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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.