Finding the Fourth Proportional to 377,290.09, 520,875.53 and 250,137.91
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Solution
The fourth proportional to 377,290.09, 520,875.53 and 250,137.91 is: 345,332.99
Step by Step Solution
- Step 1: Write the proportion equation
377,290.09 : 520,875.53 = 250,137.91 : x - Step 2: Convert to fraction form
377,290.09/520,875.53 = 250,137.91/x - Step 3: Cross multiply
377,290.09x = 520,875.53 × 250,137.91 - Step 4: Simplify right side
377,290.09x = 130,290,716,444.34 - Step 5: Solve for x
x = 130,290,716,444.34/377,290.09 - Step 6: Final answer
x = 345,332.99
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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.