Finding the Fourth Proportional to 207,246.03, 310,869.06 and 74,118.21
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Solution
The fourth proportional to 207,246.03, 310,869.06 and 74,118.21 is: 111,177.32
Step by Step Solution
- Step 1: Write the proportion equation
207,246.03 : 310,869.06 = 74,118.21 : x - Step 2: Convert to fraction form
207,246.03/310,869.06 = 74,118.21/x - Step 3: Cross multiply
207,246.03x = 310,869.06 × 74,118.21 - Step 4: Simplify right side
207,246.03x = 23,041,058,271.58 - Step 5: Solve for x
x = 23,041,058,271.58/207,246.03 - Step 6: Final answer
x = 111,177.32
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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.