Finding the Fourth Proportional to 236,849.76, 326,848.76 and 129,417.48
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Solution
The fourth proportional to 236,849.76, 326,848.76 and 129,417.48 is: 178,593.99
Step by Step Solution
- Step 1: Write the proportion equation
236,849.76 : 326,848.76 = 129,417.48 : x - Step 2: Convert to fraction form
236,849.76/326,848.76 = 129,417.48/x - Step 3: Cross multiply
236,849.76x = 326,848.76 × 129,417.48 - Step 4: Simplify right side
236,849.76x = 42,299,942,860.32 - Step 5: Solve for x
x = 42,299,942,860.32/236,849.76 - Step 6: Final answer
x = 178,593.99
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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.