Finding the Fourth Proportional to 329,953.38, 492,883.05 and 239,276.31
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Solution
The fourth proportional to 329,953.38, 492,883.05 and 239,276.31 is: 357,430.00
Step by Step Solution
- Step 1: Write the proportion equation
329,953.38 : 492,883.05 = 239,276.31 : x - Step 2: Convert to fraction form
329,953.38/492,883.05 = 239,276.31/x - Step 3: Cross multiply
329,953.38x = 492,883.05 × 239,276.31 - Step 4: Simplify right side
329,953.38x = 117,935,237,465.55 - Step 5: Solve for x
x = 117,935,237,465.55/329,953.38 - Step 6: Final answer
x = 357,430.00
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.