Finding the Fourth Proportional to 319,202.86, 440,503.02 and 175,968.07
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Solution
The fourth proportional to 319,202.86, 440,503.02 and 175,968.07 is: 242,837.63
Step by Step Solution
- Step 1: Write the proportion equation
319,202.86 : 440,503.02 = 175,968.07 : x - Step 2: Convert to fraction form
319,202.86/440,503.02 = 175,968.07/x - Step 3: Cross multiply
319,202.86x = 440,503.02 × 175,968.07 - Step 4: Simplify right side
319,202.86x = 77,514,466,258.57 - Step 5: Solve for x
x = 77,514,466,258.57/319,202.86 - Step 6: Final answer
x = 242,837.63
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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.