Finding the Fourth Proportional to 377,221.08, 520,473.72 and 239,349.84
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Solution
The fourth proportional to 377,221.08, 520,473.72 and 239,349.84 is: 330,244.80
Step by Step Solution
- Step 1: Write the proportion equation
377,221.08 : 520,473.72 = 239,349.84 : x - Step 2: Convert to fraction form
377,221.08/520,473.72 = 239,349.84/x - Step 3: Cross multiply
377,221.08x = 520,473.72 × 239,349.84 - Step 4: Simplify right side
377,221.08x = 124,575,301,606.21 - Step 5: Solve for x
x = 124,575,301,606.21/377,221.08 - Step 6: Final answer
x = 330,244.80
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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.