Finding the Fourth Proportional to 246,776.23, 340,574.18 and 149,957.74
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Solution
The fourth proportional to 246,776.23, 340,574.18 and 149,957.74 is: 206,955.65
Step by Step Solution
- Step 1: Write the proportion equation
246,776.23 : 340,574.18 = 149,957.74 : x - Step 2: Convert to fraction form
246,776.23/340,574.18 = 149,957.74/x - Step 3: Cross multiply
246,776.23x = 340,574.18 × 149,957.74 - Step 4: Simplify right side
246,776.23x = 51,071,734,335.15 - Step 5: Solve for x
x = 51,071,734,335.15/246,776.23 - Step 6: Final answer
x = 206,955.65
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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.