Finding the Fourth Proportional to 377,331.68, 565,997.50 and 258,643.19
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Solution
The fourth proportional to 377,331.68, 565,997.50 and 258,643.19 is: 387,964.77
Step by Step Solution
- Step 1: Write the proportion equation
377,331.68 : 565,997.50 = 258,643.19 : x - Step 2: Convert to fraction form
377,331.68/565,997.50 = 258,643.19/x - Step 3: Cross multiply
377,331.68x = 565,997.50 × 258,643.19 - Step 4: Simplify right side
377,331.68x = 146,391,398,932.03 - Step 5: Solve for x
x = 146,391,398,932.03/377,331.68 - Step 6: Final answer
x = 387,964.77
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1.5x scale
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.