Finding the Fourth Proportional to 302,695.53, 417,722.72 and 166,730.09
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Solution
The fourth proportional to 302,695.53, 417,722.72 and 166,730.09 is: 230,089.11
Step by Step Solution
- Step 1: Write the proportion equation
302,695.53 : 417,722.72 = 166,730.09 : x - Step 2: Convert to fraction form
302,695.53/417,722.72 = 166,730.09/x - Step 3: Cross multiply
302,695.53x = 417,722.72 × 166,730.09 - Step 4: Simplify right side
302,695.53x = 69,646,943,778.38 - Step 5: Solve for x
x = 69,646,943,778.38/302,695.53 - Step 6: Final answer
x = 230,089.11
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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.