Finding the Fourth Proportional to 509,097.25, 763,811.75 and 242,823.11
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Solution
The fourth proportional to 509,097.25, 763,811.75 and 242,823.11 is: 364,313.79
Step by Step Solution
- Step 1: Write the proportion equation
509,097.25 : 763,811.75 = 242,823.11 : x - Step 2: Convert to fraction form
509,097.25/763,811.75 = 242,823.11/x - Step 3: Cross multiply
509,097.25x = 763,811.75 × 242,823.11 - Step 4: Simplify right side
509,097.25x = 185,471,147,106.13 - Step 5: Solve for x
x = 185,471,147,106.13/509,097.25 - Step 6: Final answer
x = 364,313.79
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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.