Finding the Fourth Proportional to 193,430.79, 266,922.46 and 107,384.75
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Solution
The fourth proportional to 193,430.79, 266,922.46 and 107,384.75 is: 148,184.28
Step by Step Solution
- Step 1: Write the proportion equation
193,430.79 : 266,922.46 = 107,384.75 : x - Step 2: Convert to fraction form
193,430.79/266,922.46 = 107,384.75/x - Step 3: Cross multiply
193,430.79x = 266,922.46 × 107,384.75 - Step 4: Simplify right side
193,430.79x = 28,663,401,636.49 - Step 5: Solve for x
x = 28,663,401,636.49/193,430.79 - Step 6: Final answer
x = 148,184.28
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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.