Finding the Fourth Proportional to 471,529.79, 707,294.91 and 155,986.70
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Solution
The fourth proportional to 471,529.79, 707,294.91 and 155,986.70 is: 233,980.12
Step by Step Solution
- Step 1: Write the proportion equation
471,529.79 : 707,294.91 = 155,986.70 : x - Step 2: Convert to fraction form
471,529.79/707,294.91 = 155,986.70/x - Step 3: Cross multiply
471,529.79x = 707,294.91 × 155,986.70 - Step 4: Simplify right side
471,529.79x = 110,328,595,401.22 - Step 5: Solve for x
x = 110,328,595,401.22/471,529.79 - Step 6: Final answer
x = 233,980.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.