Finding the Fourth Proportional to 319,132.19, 440,405.49 and 175,897.73
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Solution
The fourth proportional to 319,132.19, 440,405.49 and 175,897.73 is: 242,740.56
Step by Step Solution
- Step 1: Write the proportion equation
319,132.19 : 440,405.49 = 175,897.73 : x - Step 2: Convert to fraction form
319,132.19/440,405.49 = 175,897.73/x - Step 3: Cross multiply
319,132.19x = 440,405.49 × 175,897.73 - Step 4: Simplify right side
319,132.19x = 77,466,323,768.51 - Step 5: Solve for x
x = 77,466,323,768.51/319,132.19 - Step 6: Final answer
x = 242,740.56
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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.