Finding the Fourth Proportional to 479,063.36, 661,154.00 and 357,994.35
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Solution
The fourth proportional to 479,063.36, 661,154.00 and 357,994.35 is: 494,066.99
Step by Step Solution
- Step 1: Write the proportion equation
479,063.36 : 661,154.00 = 357,994.35 : x - Step 2: Convert to fraction form
479,063.36/661,154.00 = 357,994.35/x - Step 3: Cross multiply
479,063.36x = 661,154.00 × 357,994.35 - Step 4: Simplify right side
479,063.36x = 236,689,394,689.93 - Step 5: Solve for x
x = 236,689,394,689.93/479,063.36 - Step 6: Final answer
x = 494,066.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.