Finding the Fourth Proportional to 239,279.05, 330,219.58 and 131,848.95
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Solution
The fourth proportional to 239,279.05, 330,219.58 and 131,848.95 is: 181,959.53
Step by Step Solution
- Step 1: Write the proportion equation
239,279.05 : 330,219.58 = 131,848.95 : x - Step 2: Convert to fraction form
239,279.05/330,219.58 = 131,848.95/x - Step 3: Cross multiply
239,279.05x = 330,219.58 × 131,848.95 - Step 4: Simplify right side
239,279.05x = 43,539,103,241.34 - Step 5: Solve for x
x = 43,539,103,241.34/239,279.05 - Step 6: Final answer
x = 181,959.53
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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.