Finding the Fourth Proportional to 194,823.80, 292,235.70 and 142,335.80
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Solution
The fourth proportional to 194,823.80, 292,235.70 and 142,335.80 is: 213,503.70
Step by Step Solution
- Step 1: Write the proportion equation
194,823.80 : 292,235.70 = 142,335.80 : x - Step 2: Convert to fraction form
194,823.80/292,235.70 = 142,335.80/x - Step 3: Cross multiply
194,823.80x = 292,235.70 × 142,335.80 - Step 4: Simplify right side
194,823.80x = 41,595,602,148.06 - Step 5: Solve for x
x = 41,595,602,148.06/194,823.80 - Step 6: Final answer
x = 213,503.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.