Finding the Fourth Proportional to 292,065.75, 403,050.76 and 157,929.75
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Solution
The fourth proportional to 292,065.75, 403,050.76 and 157,929.75 is: 217,943.07
Step by Step Solution
- Step 1: Write the proportion equation
292,065.75 : 403,050.76 = 157,929.75 : x - Step 2: Convert to fraction form
292,065.75/403,050.76 = 157,929.75/x - Step 3: Cross multiply
292,065.75x = 403,050.76 × 157,929.75 - Step 4: Simplify right side
292,065.75x = 63,653,705,369.29 - Step 5: Solve for x
x = 63,653,705,369.29/292,065.75 - Step 6: Final answer
x = 217,943.07
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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.