Finding the Fourth Proportional to 287,462.68, 431,220.68 and 97,859.34
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Solution
The fourth proportional to 287,462.68, 431,220.68 and 97,859.34 is: 146,798.09
Step by Step Solution
- Step 1: Write the proportion equation
287,462.68 : 431,220.68 = 97,859.34 : x - Step 2: Convert to fraction form
287,462.68/431,220.68 = 97,859.34/x - Step 3: Cross multiply
287,462.68x = 431,220.68 × 97,859.34 - Step 4: Simplify right side
287,462.68x = 42,198,971,139.15 - Step 5: Solve for x
x = 42,198,971,139.15/287,462.68 - Step 6: Final answer
x = 146,798.09
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1.5x scale
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.