Finding the Fourth Proportional to 315,933.72, 473,492.34 and 236,424.12
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Solution
The fourth proportional to 315,933.72, 473,492.34 and 236,424.12 is: 354,330.68
Step by Step Solution
- Step 1: Write the proportion equation
315,933.72 : 473,492.34 = 236,424.12 : x - Step 2: Convert to fraction form
315,933.72/473,492.34 = 236,424.12/x - Step 3: Cross multiply
315,933.72x = 473,492.34 × 236,424.12 - Step 4: Simplify right side
315,933.72x = 111,945,009,811.24 - Step 5: Solve for x
x = 111,945,009,811.24/315,933.72 - Step 6: Final answer
x = 354,330.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.