Finding the Fourth Proportional to 207,056.24, 310,587.23 and 136,430.99
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Solution
The fourth proportional to 207,056.24, 310,587.23 and 136,430.99 is: 204,648.38
Step by Step Solution
- Step 1: Write the proportion equation
207,056.24 : 310,587.23 = 136,430.99 : x - Step 2: Convert to fraction form
207,056.24/310,587.23 = 136,430.99/x - Step 3: Cross multiply
207,056.24x = 310,587.23 × 136,430.99 - Step 4: Simplify right side
207,056.24x = 42,373,723,270.26 - Step 5: Solve for x
x = 42,373,723,270.26/207,056.24 - Step 6: Final answer
x = 204,648.38
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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.