Finding the Fourth Proportional to 197,646.84, 272,750.73 and 107,000.48
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Solution
The fourth proportional to 197,646.84, 272,750.73 and 107,000.48 is: 147,659.62
Step by Step Solution
- Step 1: Write the proportion equation
197,646.84 : 272,750.73 = 107,000.48 : x - Step 2: Convert to fraction form
197,646.84/272,750.73 = 107,000.48/x - Step 3: Cross multiply
197,646.84x = 272,750.73 × 107,000.48 - Step 4: Simplify right side
197,646.84x = 29,184,457,666.60 - Step 5: Solve for x
x = 29,184,457,666.60/197,646.84 - Step 6: Final answer
x = 147,659.62
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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.