Finding the Fourth Proportional to 302,357.34, 417,252.62 and 166,400.06
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Solution
The fourth proportional to 302,357.34, 417,252.62 and 166,400.06 is: 229,631.80
Step by Step Solution
- Step 1: Write the proportion equation
302,357.34 : 417,252.62 = 166,400.06 : x - Step 2: Convert to fraction form
302,357.34/417,252.62 = 166,400.06/x - Step 3: Cross multiply
302,357.34x = 417,252.62 × 166,400.06 - Step 4: Simplify right side
302,357.34x = 69,430,859,332.89 - Step 5: Solve for x
x = 69,430,859,332.89/302,357.34 - Step 6: Final answer
x = 229,631.80
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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.