Finding the Fourth Proportional to 787,950.99, 1,181,950.38 and 308,159.64
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Solution
The fourth proportional to 787,950.99, 1,181,950.38 and 308,159.64 is: 462,248.81
Step by Step Solution
- Step 1: Write the proportion equation
787,950.99 : 1,181,950.38 = 308,159.64 : x - Step 2: Convert to fraction form
787,950.99/1,181,950.38 = 308,159.64/x - Step 3: Cross multiply
787,950.99x = 1,181,950.38 × 308,159.64 - Step 4: Simplify right side
787,950.99x = 364,229,403,598.66 - Step 5: Solve for x
x = 364,229,403,598.66/787,950.99 - Step 6: Final answer
x = 462,248.81
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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.