Finding the Fourth Proportional to 315,484.24, 435,362.34 and 179,515.12
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Solution
The fourth proportional to 315,484.24, 435,362.34 and 179,515.12 is: 247,727.50
Step by Step Solution
- Step 1: Write the proportion equation
315,484.24 : 435,362.34 = 179,515.12 : x - Step 2: Convert to fraction form
315,484.24/435,362.34 = 179,515.12/x - Step 3: Cross multiply
315,484.24x = 435,362.34 × 179,515.12 - Step 4: Simplify right side
315,484.24x = 78,154,122,708.58 - Step 5: Solve for x
x = 78,154,122,708.58/315,484.24 - Step 6: Final answer
x = 247,727.50
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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.