Finding the Fourth Proportional to 376,808.68, 519,994.50 and 215,663.08
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Solution
The fourth proportional to 376,808.68, 519,994.50 and 215,663.08 is: 297,614.20
Step by Step Solution
- Step 1: Write the proportion equation
376,808.68 : 519,994.50 = 215,663.08 : x - Step 2: Convert to fraction form
376,808.68/519,994.50 = 215,663.08/x - Step 3: Cross multiply
376,808.68x = 519,994.50 × 215,663.08 - Step 4: Simplify right side
376,808.68x = 112,143,615,453.06 - Step 5: Solve for x
x = 112,143,615,453.06/376,808.68 - Step 6: Final answer
x = 297,614.20
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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.