Finding the Fourth Proportional to 239,285.79, 330,202.44 and 131,838.48
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Solution
The fourth proportional to 239,285.79, 330,202.44 and 131,838.48 is: 181,930.52
Step by Step Solution
- Step 1: Write the proportion equation
239,285.79 : 330,202.44 = 131,838.48 : x - Step 2: Convert to fraction form
239,285.79/330,202.44 = 131,838.48/x - Step 3: Cross multiply
239,285.79x = 330,202.44 × 131,838.48 - Step 4: Simplify right side
239,285.79x = 43,533,387,781.89 - Step 5: Solve for x
x = 43,533,387,781.89/239,285.79 - Step 6: Final answer
x = 181,930.52
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1.5x scale
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.