Finding the Fourth Proportional to 376,967.84, 520,215.57 and 207,201.96
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Solution
The fourth proportional to 376,967.84, 520,215.57 and 207,201.96 is: 285,938.68
Step by Step Solution
- Step 1: Write the proportion equation
376,967.84 : 520,215.57 = 207,201.96 : x - Step 2: Convert to fraction form
376,967.84/520,215.57 = 207,201.96/x - Step 3: Cross multiply
376,967.84x = 520,215.57 × 207,201.96 - Step 4: Simplify right side
376,967.84x = 107,789,685,726.52 - Step 5: Solve for x
x = 107,789,685,726.52/376,967.84 - Step 6: Final answer
x = 285,938.68
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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.