Finding the Fourth Proportional to 145,739.52, 218,615.04 and 40,567.68
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Solution
The fourth proportional to 145,739.52, 218,615.04 and 40,567.68 is: 60,853.12
Step by Step Solution
- Step 1: Write the proportion equation
145,739.52 : 218,615.04 = 40,567.68 : x - Step 2: Convert to fraction form
145,739.52/218,615.04 = 40,567.68/x - Step 3: Cross multiply
145,739.52x = 218,615.04 × 40,567.68 - Step 4: Simplify right side
145,739.52x = 8,868,704,985.91 - Step 5: Solve for x
x = 8,868,704,985.91/145,739.52 - Step 6: Final answer
x = 60,853.12
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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.