Finding the Fourth Proportional to 210,370.32, 315,084.78 and 97,881.99
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Solution
The fourth proportional to 210,370.32, 315,084.78 and 97,881.99 is: 146,603.98
Step by Step Solution
- Step 1: Write the proportion equation
210,370.32 : 315,084.78 = 97,881.99 : x - Step 2: Convert to fraction form
210,370.32/315,084.78 = 97,881.99/x - Step 3: Cross multiply
210,370.32x = 315,084.78 × 97,881.99 - Step 4: Simplify right side
210,370.32x = 30,841,125,285.11 - Step 5: Solve for x
x = 30,841,125,285.11/210,370.32 - Step 6: Final answer
x = 146,603.98
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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.