Finding the Fourth Proportional to 389,926.51, 584,889.74 and 212,582.65
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Solution
The fourth proportional to 389,926.51, 584,889.74 and 212,582.65 is: 318,873.96
Step by Step Solution
- Step 1: Write the proportion equation
389,926.51 : 584,889.74 = 212,582.65 : x - Step 2: Convert to fraction form
389,926.51/584,889.74 = 212,582.65/x - Step 3: Cross multiply
389,926.51x = 584,889.74 × 212,582.65 - Step 4: Simplify right side
389,926.51x = 124,337,409,824.10 - Step 5: Solve for x
x = 124,337,409,824.10/389,926.51 - Step 6: Final answer
x = 318,873.96
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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.