Finding the Fourth Proportional to 377,118.57, 520,433.83 and 205,048.09
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Solution
The fourth proportional to 377,118.57, 520,433.83 and 205,048.09 is: 282,971.91
Step by Step Solution
- Step 1: Write the proportion equation
377,118.57 : 520,433.83 = 205,048.09 : x - Step 2: Convert to fraction form
377,118.57/520,433.83 = 205,048.09/x - Step 3: Cross multiply
377,118.57x = 520,433.83 × 205,048.09 - Step 4: Simplify right side
377,118.57x = 106,713,962,024.42 - Step 5: Solve for x
x = 106,713,962,024.42/377,118.57 - Step 6: Final answer
x = 282,971.91
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1.5x scale
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.