Finding the Fourth Proportional to 239,307.57, 330,246.63 and 131,881.44
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Solution
The fourth proportional to 239,307.57, 330,246.63 and 131,881.44 is: 181,997.59
Step by Step Solution
- Step 1: Write the proportion equation
239,307.57 : 330,246.63 = 131,881.44 : x - Step 2: Convert to fraction form
239,307.57/330,246.63 = 131,881.44/x - Step 3: Cross multiply
239,307.57x = 330,246.63 × 131,881.44 - Step 4: Simplify right side
239,307.57x = 43,553,401,119.55 - Step 5: Solve for x
x = 43,553,401,119.55/239,307.57 - Step 6: Final answer
x = 181,997.59
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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.