Finding the Fourth Proportional to 176,012.48, 242,811.36 and 100,541.12
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Solution
The fourth proportional to 176,012.48, 242,811.36 and 100,541.12 is: 138,697.70
Step by Step Solution
- Step 1: Write the proportion equation
176,012.48 : 242,811.36 = 100,541.12 : x - Step 2: Convert to fraction form
176,012.48/242,811.36 = 100,541.12/x - Step 3: Cross multiply
176,012.48x = 242,811.36 × 100,541.12 - Step 4: Simplify right side
176,012.48x = 24,412,526,083.12 - Step 5: Solve for x
x = 24,412,526,083.12/176,012.48 - Step 6: Final answer
x = 138,697.70
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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.