Finding the Fourth Proportional to 299,148.10, 411,984.56 and 292,616.26
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Solution
The fourth proportional to 299,148.10, 411,984.56 and 292,616.26 is: 402,988.96
Step by Step Solution
- Step 1: Write the proportion equation
299,148.10 : 411,984.56 = 292,616.26 : x - Step 2: Convert to fraction form
299,148.10/411,984.56 = 292,616.26/x - Step 3: Cross multiply
299,148.10x = 411,984.56 × 292,616.26 - Step 4: Simplify right side
299,148.10x = 120,553,381,124.95 - Step 5: Solve for x
x = 120,553,381,124.95/299,148.10 - Step 6: Final answer
x = 402,988.96
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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.