Finding the Fourth Proportional to 318,292.02, 439,135.35 and 180,456.14
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Solution
The fourth proportional to 318,292.02, 439,135.35 and 180,456.14 is: 248,968.45
Step by Step Solution
- Step 1: Write the proportion equation
318,292.02 : 439,135.35 = 180,456.14 : x - Step 2: Convert to fraction form
318,292.02/439,135.35 = 180,456.14/x - Step 3: Cross multiply
318,292.02x = 439,135.35 × 180,456.14 - Step 4: Simplify right side
318,292.02x = 79,244,670,198.55 - Step 5: Solve for x
x = 79,244,670,198.55/318,292.02 - Step 6: Final answer
x = 248,968.45
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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.