Finding the Fourth Proportional to 299,938.52, 413,915.08 and 163,973.04
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Solution
The fourth proportional to 299,938.52, 413,915.08 and 163,973.04 is: 226,282.75
Step by Step Solution
- Step 1: Write the proportion equation
299,938.52 : 413,915.08 = 163,973.04 : x - Step 2: Convert to fraction form
299,938.52/413,915.08 = 163,973.04/x - Step 3: Cross multiply
299,938.52x = 413,915.08 × 163,973.04 - Step 4: Simplify right side
299,938.52x = 67,870,913,969.44 - Step 5: Solve for x
x = 67,870,913,969.44/299,938.52 - Step 6: Final answer
x = 226,282.75
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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.