Finding the Fourth Proportional to 289,829.79, 399,889.44 and 167,292.18
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Solution
The fourth proportional to 289,829.79, 399,889.44 and 167,292.18 is: 230,819.53
Step by Step Solution
- Step 1: Write the proportion equation
289,829.79 : 399,889.44 = 167,292.18 : x - Step 2: Convert to fraction form
289,829.79/399,889.44 = 167,292.18/x - Step 3: Cross multiply
289,829.79x = 399,889.44 × 167,292.18 - Step 4: Simplify right side
289,829.79x = 66,898,376,176.58 - Step 5: Solve for x
x = 66,898,376,176.58/289,829.79 - Step 6: Final answer
x = 230,819.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.