Finding the Fourth Proportional to 242,509.14, 363,804.48 and 109,386.18
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Solution
The fourth proportional to 242,509.14, 363,804.48 and 109,386.18 is: 164,097.66
Step by Step Solution
- Step 1: Write the proportion equation
242,509.14 : 363,804.48 = 109,386.18 : x - Step 2: Convert to fraction form
242,509.14/363,804.48 = 109,386.18/x - Step 3: Cross multiply
242,509.14x = 363,804.48 × 109,386.18 - Step 4: Simplify right side
242,509.14x = 39,795,182,334.09 - Step 5: Solve for x
x = 39,795,182,334.09/242,509.14 - Step 6: Final answer
x = 164,097.66
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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.