Finding the Fourth Proportional to 753,971.48, 1,130,956.48 and 193,005.08
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Solution
The fourth proportional to 753,971.48, 1,130,956.48 and 193,005.08 is: 289,507.43
Step by Step Solution
- Step 1: Write the proportion equation
753,971.48 : 1,130,956.48 = 193,005.08 : x - Step 2: Convert to fraction form
753,971.48/1,130,956.48 = 193,005.08/x - Step 3: Cross multiply
753,971.48x = 1,130,956.48 × 193,005.08 - Step 4: Simplify right side
753,971.48x = 218,280,345,898.92 - Step 5: Solve for x
x = 218,280,345,898.92/753,971.48 - Step 6: Final answer
x = 289,507.43
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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.