Finding the Fourth Proportional to 302,680.71, 417,699.36 and 175,430.12
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Solution
The fourth proportional to 302,680.71, 417,699.36 and 175,430.12 is: 242,093.55
Step by Step Solution
- Step 1: Write the proportion equation
302,680.71 : 417,699.36 = 175,430.12 : x - Step 2: Convert to fraction form
302,680.71/417,699.36 = 175,430.12/x - Step 3: Cross multiply
302,680.71x = 417,699.36 × 175,430.12 - Step 4: Simplify right side
302,680.71x = 73,277,046,760.23 - Step 5: Solve for x
x = 73,277,046,760.23/302,680.71 - Step 6: Final answer
x = 242,093.55
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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.