Finding the Fourth Proportional to 245,030.74, 338,178.99 and 149,592.76
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Solution
The fourth proportional to 245,030.74, 338,178.99 and 149,592.76 is: 206,460.33
Step by Step Solution
- Step 1: Write the proportion equation
245,030.74 : 338,178.99 = 149,592.76 : x - Step 2: Convert to fraction form
245,030.74/338,178.99 = 149,592.76/x - Step 3: Cross multiply
245,030.74x = 338,178.99 × 149,592.76 - Step 4: Simplify right side
245,030.74x = 50,589,128,488.11 - Step 5: Solve for x
x = 50,589,128,488.11/245,030.74 - Step 6: Final answer
x = 206,460.33
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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.