Finding the Fourth Proportional to 302,246.40, 453,718.80 and 162,278.40
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Solution
The fourth proportional to 302,246.40, 453,718.80 and 162,278.40 is: 243,605.09
Step by Step Solution
- Step 1: Write the proportion equation
302,246.40 : 453,718.80 = 162,278.40 : x - Step 2: Convert to fraction form
302,246.40/453,718.80 = 162,278.40/x - Step 3: Cross multiply
302,246.40x = 453,718.80 × 162,278.40 - Step 4: Simplify right side
302,246.40x = 73,628,760,913.92 - Step 5: Solve for x
x = 73,628,760,913.92/302,246.40 - Step 6: Final answer
x = 243,605.09
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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.