Finding the Fourth Proportional to 194,802.10, 292,001.55 and 105,867.70
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Solution
The fourth proportional to 194,802.10, 292,001.55 and 105,867.70 is: 158,691.99
Step by Step Solution
- Step 1: Write the proportion equation
194,802.10 : 292,001.55 = 105,867.70 : x - Step 2: Convert to fraction form
194,802.10/292,001.55 = 105,867.70/x - Step 3: Cross multiply
194,802.10x = 292,001.55 × 105,867.70 - Step 4: Simplify right side
194,802.10x = 30,913,532,494.94 - Step 5: Solve for x
x = 30,913,532,494.94/194,802.10 - Step 6: Final answer
x = 158,691.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.