Finding the Fourth Proportional to 426,922.61, 589,215.75 and 257,153.09
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Solution
The fourth proportional to 426,922.61, 589,215.75 and 257,153.09 is: 354,908.94
Step by Step Solution
- Step 1: Write the proportion equation
426,922.61 : 589,215.75 = 257,153.09 : x - Step 2: Convert to fraction form
426,922.61/589,215.75 = 257,153.09/x - Step 3: Cross multiply
426,922.61x = 589,215.75 × 257,153.09 - Step 4: Simplify right side
426,922.61x = 151,518,650,789.17 - Step 5: Solve for x
x = 151,518,650,789.17/426,922.61 - Step 6: Final answer
x = 354,908.94
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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.