Finding the Fourth Proportional to 478,015.02, 716,497.65 and 162,234.09
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Solution
The fourth proportional to 478,015.02, 716,497.65 and 162,234.09 is: 243,173.00
Step by Step Solution
- Step 1: Write the proportion equation
478,015.02 : 716,497.65 = 162,234.09 : x - Step 2: Convert to fraction form
478,015.02/716,497.65 = 162,234.09/x - Step 3: Cross multiply
478,015.02x = 716,497.65 × 162,234.09 - Step 4: Simplify right side
478,015.02x = 116,240,344,234.89 - Step 5: Solve for x
x = 116,240,344,234.89/478,015.02 - Step 6: Final answer
x = 243,173.00
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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.