Finding the Fourth Proportional to 284,208.78, 392,194.80 and 163,264.98
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Solution
The fourth proportional to 284,208.78, 392,194.80 and 163,264.98 is: 225,298.02
Step by Step Solution
- Step 1: Write the proportion equation
284,208.78 : 392,194.80 = 163,264.98 : x - Step 2: Convert to fraction form
284,208.78/392,194.80 = 163,264.98/x - Step 3: Cross multiply
284,208.78x = 392,194.80 × 163,264.98 - Step 4: Simplify right side
284,208.78x = 64,031,676,178.10 - Step 5: Solve for x
x = 64,031,676,178.10/284,208.78 - Step 6: Final answer
x = 225,298.02
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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.