Finding the Fourth Proportional to 471,089.25, 706,323.80 and 310,676.09
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Solution
The fourth proportional to 471,089.25, 706,323.80 and 310,676.09 is: 465,809.63
Step by Step Solution
- Step 1: Write the proportion equation
471,089.25 : 706,323.80 = 310,676.09 : x - Step 2: Convert to fraction form
471,089.25/706,323.80 = 310,676.09/x - Step 3: Cross multiply
471,089.25x = 706,323.80 × 310,676.09 - Step 4: Simplify right side
471,089.25x = 219,437,911,372.94 - Step 5: Solve for x
x = 219,437,911,372.94/471,089.25 - Step 6: Final answer
x = 465,809.63
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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.