Finding the Fourth Proportional to 480,775.21, 721,330.08 and 181,341.70
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Solution
The fourth proportional to 480,775.21, 721,330.08 and 181,341.70 is: 272,075.64
Step by Step Solution
- Step 1: Write the proportion equation
480,775.21 : 721,330.08 = 181,341.70 : x - Step 2: Convert to fraction form
480,775.21/721,330.08 = 181,341.70/x - Step 3: Cross multiply
480,775.21x = 721,330.08 × 181,341.70 - Step 4: Simplify right side
480,775.21x = 130,807,222,968.34 - Step 5: Solve for x
x = 130,807,222,968.34/480,775.21 - Step 6: Final answer
x = 272,075.64
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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.