Finding the Fourth Proportional to 385,116.11, 577,726.70 and 160,424.00
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Solution
The fourth proportional to 385,116.11, 577,726.70 and 160,424.00 is: 240,657.88
Step by Step Solution
- Step 1: Write the proportion equation
385,116.11 : 577,726.70 = 160,424.00 : x - Step 2: Convert to fraction form
385,116.11/577,726.70 = 160,424.00/x - Step 3: Cross multiply
385,116.11x = 577,726.70 × 160,424.00 - Step 4: Simplify right side
385,116.11x = 92,681,224,430.05 - Step 5: Solve for x
x = 92,681,224,430.05/385,116.11 - Step 6: Final answer
x = 240,657.88
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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.