Finding the Fourth Proportional to 471,528.35, 707,292.75 and 155,985.26
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Solution
The fourth proportional to 471,528.35, 707,292.75 and 155,985.26 is: 233,977.96
Step by Step Solution
- Step 1: Write the proportion equation
471,528.35 : 707,292.75 = 155,985.26 : x - Step 2: Convert to fraction form
471,528.35/707,292.75 = 155,985.26/x - Step 3: Cross multiply
471,528.35x = 707,292.75 × 155,985.26 - Step 4: Simplify right side
471,528.35x = 110,327,239,968.40 - Step 5: Solve for x
x = 110,327,239,968.40/471,528.35 - Step 6: Final answer
x = 233,977.96
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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.