Finding the Fourth Proportional to 471,043.84, 706,394.84 and 257,970.08
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Solution
The fourth proportional to 471,043.84, 706,394.84 and 257,970.08 is: 386,861.51
Step by Step Solution
- Step 1: Write the proportion equation
471,043.84 : 706,394.84 = 257,970.08 : x - Step 2: Convert to fraction form
471,043.84/706,394.84 = 257,970.08/x - Step 3: Cross multiply
471,043.84x = 706,394.84 × 257,970.08 - Step 4: Simplify right side
471,043.84x = 182,228,733,386.39 - Step 5: Solve for x
x = 182,228,733,386.39/471,043.84 - Step 6: Final answer
x = 386,861.51
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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.