Finding the Fourth Proportional to 307,219.68, 423,967.80 and 171,249.84
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Solution
The fourth proportional to 307,219.68, 423,967.80 and 171,249.84 is: 236,327.37
Step by Step Solution
- Step 1: Write the proportion equation
307,219.68 : 423,967.80 = 171,249.84 : x - Step 2: Convert to fraction form
307,219.68/423,967.80 = 171,249.84/x - Step 3: Cross multiply
307,219.68x = 423,967.80 × 171,249.84 - Step 4: Simplify right side
307,219.68x = 72,604,417,915.15 - Step 5: Solve for x
x = 72,604,417,915.15/307,219.68 - Step 6: Final answer
x = 236,327.37
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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.