Finding the Fourth Proportional to 475,005.40, 712,911.30 and 194,723.80
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Solution
The fourth proportional to 475,005.40, 712,911.30 and 194,723.80 is: 292,250.99
Step by Step Solution
- Step 1: Write the proportion equation
475,005.40 : 712,911.30 = 194,723.80 : x - Step 2: Convert to fraction form
475,005.40/712,911.30 = 194,723.80/x - Step 3: Cross multiply
475,005.40x = 712,911.30 × 194,723.80 - Step 4: Simplify right side
475,005.40x = 138,820,797,398.94 - Step 5: Solve for x
x = 138,820,797,398.94/475,005.40 - Step 6: Final answer
x = 292,250.99
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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.