Finding the Fourth Proportional to 315,424.08, 435,267.36 and 179,439.84
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Solution
The fourth proportional to 315,424.08, 435,267.36 and 179,439.84 is: 247,616.81
Step by Step Solution
- Step 1: Write the proportion equation
315,424.08 : 435,267.36 = 179,439.84 : x - Step 2: Convert to fraction form
315,424.08/435,267.36 = 179,439.84/x - Step 3: Cross multiply
315,424.08x = 435,267.36 × 179,439.84 - Step 4: Simplify right side
315,424.08x = 78,104,305,435.62 - Step 5: Solve for x
x = 78,104,305,435.62/315,424.08 - Step 6: Final answer
x = 247,616.81
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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.