Finding the Fourth Proportional to 319,172.06, 440,460.42 and 175,937.23
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Solution
The fourth proportional to 319,172.06, 440,460.42 and 175,937.23 is: 242,795.02
Step by Step Solution
- Step 1: Write the proportion equation
319,172.06 : 440,460.42 = 175,937.23 : x - Step 2: Convert to fraction form
319,172.06/440,460.42 = 175,937.23/x - Step 3: Cross multiply
319,172.06x = 440,460.42 × 175,937.23 - Step 4: Simplify right side
319,172.06x = 77,493,386,110.25 - Step 5: Solve for x
x = 77,493,386,110.25/319,172.06 - Step 6: Final answer
x = 242,795.02
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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.