Finding the Fourth Proportional to 299,302.05, 413,045.53 and 163,344.74
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Solution
The fourth proportional to 299,302.05, 413,045.53 and 163,344.74 is: 225,420.49
Step by Step Solution
- Step 1: Write the proportion equation
299,302.05 : 413,045.53 = 163,344.74 : x - Step 2: Convert to fraction form
299,302.05/413,045.53 = 163,344.74/x - Step 3: Cross multiply
299,302.05x = 413,045.53 × 163,344.74 - Step 4: Simplify right side
299,302.05x = 67,468,814,706.01 - Step 5: Solve for x
x = 67,468,814,706.01/299,302.05 - Step 6: Final answer
x = 225,420.49
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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.