Finding the Fourth Proportional to 194,632.20, 291,948.30 and 106,058.70
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Solution
The fourth proportional to 194,632.20, 291,948.30 and 106,058.70 is: 159,088.05
Step by Step Solution
- Step 1: Write the proportion equation
194,632.20 : 291,948.30 = 106,058.70 : x - Step 2: Convert to fraction form
194,632.20/291,948.30 = 106,058.70/x - Step 3: Cross multiply
194,632.20x = 291,948.30 × 106,058.70 - Step 4: Simplify right side
194,632.20x = 30,963,657,165.21 - Step 5: Solve for x
x = 30,963,657,165.21/194,632.20 - Step 6: Final answer
x = 159,088.05
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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.