Finding the Fourth Proportional to 470,803.68, 705,259.98 and 217,729.44
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Solution
The fourth proportional to 470,803.68, 705,259.98 and 217,729.44 is: 326,156.88
Step by Step Solution
- Step 1: Write the proportion equation
470,803.68 : 705,259.98 = 217,729.44 : x - Step 2: Convert to fraction form
470,803.68/705,259.98 = 217,729.44/x - Step 3: Cross multiply
470,803.68x = 705,259.98 × 217,729.44 - Step 4: Simplify right side
470,803.68x = 153,555,860,499.81 - Step 5: Solve for x
x = 153,555,860,499.81/470,803.68 - Step 6: Final answer
x = 326,156.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.