Finding the Fourth Proportional to 194,805.70, 292,208.55 and 70,101.70
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Solution
The fourth proportional to 194,805.70, 292,208.55 and 70,101.70 is: 105,152.55
Step by Step Solution
- Step 1: Write the proportion equation
194,805.70 : 292,208.55 = 70,101.70 : x - Step 2: Convert to fraction form
194,805.70/292,208.55 = 70,101.70/x - Step 3: Cross multiply
194,805.70x = 292,208.55 × 70,101.70 - Step 4: Simplify right side
194,805.70x = 20,484,316,109.54 - Step 5: Solve for x
x = 20,484,316,109.54/194,805.70 - Step 6: Final answer
x = 105,152.55
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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.