Finding the Fourth Proportional to 402,647.10, 555,770.07 and 249,732.06
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Solution
The fourth proportional to 402,647.10, 555,770.07 and 249,732.06 is: 344,702.85
Step by Step Solution
- Step 1: Write the proportion equation
402,647.10 : 555,770.07 = 249,732.06 : x - Step 2: Convert to fraction form
402,647.10/555,770.07 = 249,732.06/x - Step 3: Cross multiply
402,647.10x = 555,770.07 × 249,732.06 - Step 4: Simplify right side
402,647.10x = 138,793,604,467.44 - Step 5: Solve for x
x = 138,793,604,467.44/402,647.10 - Step 6: Final answer
x = 344,702.85
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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.