Finding the Fourth Proportional to 372,000.84, 513,339.36 and 202,233.48
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Solution
The fourth proportional to 372,000.84, 513,339.36 and 202,233.48 is: 279,070.35
Step by Step Solution
- Step 1: Write the proportion equation
372,000.84 : 513,339.36 = 202,233.48 : x - Step 2: Convert to fraction form
372,000.84/513,339.36 = 202,233.48/x - Step 3: Cross multiply
372,000.84x = 513,339.36 × 202,233.48 - Step 4: Simplify right side
372,000.84x = 103,814,405,193.77 - Step 5: Solve for x
x = 103,814,405,193.77/372,000.84 - Step 6: Final answer
x = 279,070.35
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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.