Finding the Fourth Proportional to 370,379.84, 555,403.84 and 220,690.88
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Solution
The fourth proportional to 370,379.84, 555,403.84 and 220,690.88 is: 330,937.46
Step by Step Solution
- Step 1: Write the proportion equation
370,379.84 : 555,403.84 = 220,690.88 : x - Step 2: Convert to fraction form
370,379.84/555,403.84 = 220,690.88/x - Step 3: Cross multiply
370,379.84x = 555,403.84 × 220,690.88 - Step 4: Simplify right side
370,379.84x = 122,572,562,204.98 - Step 5: Solve for x
x = 122,572,562,204.98/370,379.84 - Step 6: Final answer
x = 330,937.46
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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.