Finding the Fourth Proportional to 316,132.80, 435,751.14 and 247,102.03
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Solution
The fourth proportional to 316,132.80, 435,751.14 and 247,102.03 is: 340,600.50
Step by Step Solution
- Step 1: Write the proportion equation
316,132.80 : 435,751.14 = 247,102.03 : x - Step 2: Convert to fraction form
316,132.80/435,751.14 = 247,102.03/x - Step 3: Cross multiply
316,132.80x = 435,751.14 × 247,102.03 - Step 4: Simplify right side
316,132.80x = 107,674,991,268.81 - Step 5: Solve for x
x = 107,674,991,268.81/316,132.80 - Step 6: Final answer
x = 340,600.50
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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.