Finding the Fourth Proportional to 538,753.80, 808,130.70 and 239,233.80
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Solution
The fourth proportional to 538,753.80, 808,130.70 and 239,233.80 is: 358,850.70
Step by Step Solution
- Step 1: Write the proportion equation
538,753.80 : 808,130.70 = 239,233.80 : x - Step 2: Convert to fraction form
538,753.80/808,130.70 = 239,233.80/x - Step 3: Cross multiply
538,753.80x = 808,130.70 × 239,233.80 - Step 4: Simplify right side
538,753.80x = 193,332,178,257.66 - Step 5: Solve for x
x = 193,332,178,257.66/538,753.80 - Step 6: Final answer
x = 358,850.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.