Finding the Fourth Proportional to 478,122.08, 716,954.48 and 278,499.44
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Solution
The fourth proportional to 478,122.08, 716,954.48 and 278,499.44 is: 417,615.98
Step by Step Solution
- Step 1: Write the proportion equation
478,122.08 : 716,954.48 = 278,499.44 : x - Step 2: Convert to fraction form
478,122.08/716,954.48 = 278,499.44/x - Step 3: Cross multiply
478,122.08x = 716,954.48 × 278,499.44 - Step 4: Simplify right side
478,122.08x = 199,671,421,185.49 - Step 5: Solve for x
x = 199,671,421,185.49/478,122.08 - Step 6: Final answer
x = 417,615.98
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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.