Finding the Fourth Proportional to 176,068.08, 242,970.84 and 100,614.96
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Solution
The fourth proportional to 176,068.08, 242,970.84 and 100,614.96 is: 138,846.87
Step by Step Solution
- Step 1: Write the proportion equation
176,068.08 : 242,970.84 = 100,614.96 : x - Step 2: Convert to fraction form
176,068.08/242,970.84 = 100,614.96/x - Step 3: Cross multiply
176,068.08x = 242,970.84 × 100,614.96 - Step 4: Simplify right side
176,068.08x = 24,446,501,347.77 - Step 5: Solve for x
x = 24,446,501,347.77/176,068.08 - Step 6: Final answer
x = 138,846.87
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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.