Finding the Fourth Proportional to 368,577.84, 508,794.36 and 247,789.20
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Solution
The fourth proportional to 368,577.84, 508,794.36 and 247,789.20 is: 342,054.60
Step by Step Solution
- Step 1: Write the proportion equation
368,577.84 : 508,794.36 = 247,789.20 : x - Step 2: Convert to fraction form
368,577.84/508,794.36 = 247,789.20/x - Step 3: Cross multiply
368,577.84x = 508,794.36 × 247,789.20 - Step 4: Simplify right side
368,577.84x = 126,073,747,428.91 - Step 5: Solve for x
x = 126,073,747,428.91/368,577.84 - Step 6: Final answer
x = 342,054.60
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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.