Finding the Fourth Proportional to 175,943.08, 242,833.96 and 100,491.58
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Solution
The fourth proportional to 175,943.08, 242,833.96 and 100,491.58 is: 138,696.95
Step by Step Solution
- Step 1: Write the proportion equation
175,943.08 : 242,833.96 = 100,491.58 : x - Step 2: Convert to fraction form
175,943.08/242,833.96 = 100,491.58/x - Step 3: Cross multiply
175,943.08x = 242,833.96 × 100,491.58 - Step 4: Simplify right side
175,943.08x = 24,402,768,318.06 - Step 5: Solve for x
x = 24,402,768,318.06/175,943.08 - Step 6: Final answer
x = 138,696.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.