Finding the Fourth Proportional to 298,509.19, 411,887.94 and 176,039.99
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Solution
The fourth proportional to 298,509.19, 411,887.94 and 176,039.99 is: 242,902.90
Step by Step Solution
- Step 1: Write the proportion equation
298,509.19 : 411,887.94 = 176,039.99 : x - Step 2: Convert to fraction form
298,509.19/411,887.94 = 176,039.99/x - Step 3: Cross multiply
298,509.19x = 411,887.94 × 176,039.99 - Step 4: Simplify right side
298,509.19x = 72,508,748,838.72 - Step 5: Solve for x
x = 72,508,748,838.72/298,509.19 - Step 6: Final answer
x = 242,902.90
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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.