Finding the Fourth Proportional to 319,913.24, 480,165.06 and 162,252.41
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Solution
The fourth proportional to 319,913.24, 480,165.06 and 162,252.41 is: 243,528.33
Step by Step Solution
- Step 1: Write the proportion equation
319,913.24 : 480,165.06 = 162,252.41 : x - Step 2: Convert to fraction form
319,913.24/480,165.06 = 162,252.41/x - Step 3: Cross multiply
319,913.24x = 480,165.06 × 162,252.41 - Step 4: Simplify right side
319,913.24x = 77,907,938,182.79 - Step 5: Solve for x
x = 77,907,938,182.79/319,913.24 - Step 6: Final answer
x = 243,528.33
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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.