Finding the Fourth Proportional to 470,889.84, 706,265.64 and 155,306.28
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Solution
The fourth proportional to 470,889.84, 706,265.64 and 155,306.28 is: 232,936.62
Step by Step Solution
- Step 1: Write the proportion equation
470,889.84 : 706,265.64 = 155,306.28 : x - Step 2: Convert to fraction form
470,889.84/706,265.64 = 155,306.28/x - Step 3: Cross multiply
470,889.84x = 706,265.64 × 155,306.28 - Step 4: Simplify right side
470,889.84x = 109,687,489,240.22 - Step 5: Solve for x
x = 109,687,489,240.22/470,889.84 - Step 6: Final answer
x = 232,936.62
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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.