Finding the Fourth Proportional to 79,316.24, 118,985.36 and 26,740.76
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Solution
The fourth proportional to 79,316.24, 118,985.36 and 26,740.76 is: 40,114.85
Step by Step Solution
- Step 1: Write the proportion equation
79,316.24 : 118,985.36 = 26,740.76 : x - Step 2: Convert to fraction form
79,316.24/118,985.36 = 26,740.76/x - Step 3: Cross multiply
79,316.24x = 118,985.36 × 26,740.76 - Step 4: Simplify right side
79,316.24x = 3,181,758,955.27 - Step 5: Solve for x
x = 3,181,758,955.27/79,316.24 - Step 6: Final answer
x = 40,114.85
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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.