Finding the Fourth Proportional to 298,534.98, 411,959.61 and 164,398.98
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Solution
The fourth proportional to 298,534.98, 411,959.61 and 164,398.98 is: 226,860.32
Step by Step Solution
- Step 1: Write the proportion equation
298,534.98 : 411,959.61 = 164,398.98 : x - Step 2: Convert to fraction form
298,534.98/411,959.61 = 164,398.98/x - Step 3: Cross multiply
298,534.98x = 411,959.61 × 164,398.98 - Step 4: Simplify right side
298,534.98x = 67,725,739,685.20 - Step 5: Solve for x
x = 67,725,739,685.20/298,534.98 - Step 6: Final answer
x = 226,860.32
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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.