Finding the Fourth Proportional to 318,094.76, 438,971.68 and 182,130.80
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Solution
The fourth proportional to 318,094.76, 438,971.68 and 182,130.80 is: 251,341.03
Step by Step Solution
- Step 1: Write the proportion equation
318,094.76 : 438,971.68 = 182,130.80 : x - Step 2: Convert to fraction form
318,094.76/438,971.68 = 182,130.80/x - Step 3: Cross multiply
318,094.76x = 438,971.68 × 182,130.80 - Step 4: Simplify right side
318,094.76x = 79,950,263,255.74 - Step 5: Solve for x
x = 79,950,263,255.74/318,094.76 - Step 6: Final answer
x = 251,341.03
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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.