Finding the Fourth Proportional to 555,207.20, 832,686.12 and 255,399.80
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Solution
The fourth proportional to 555,207.20, 832,686.12 and 255,399.80 is: 383,042.35
Step by Step Solution
- Step 1: Write the proportion equation
555,207.20 : 832,686.12 = 255,399.80 : x - Step 2: Convert to fraction form
555,207.20/832,686.12 = 255,399.80/x - Step 3: Cross multiply
555,207.20x = 832,686.12 × 255,399.80 - Step 4: Simplify right side
555,207.20x = 212,667,868,510.78 - Step 5: Solve for x
x = 212,667,868,510.78/555,207.20 - Step 6: Final answer
x = 383,042.35
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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.