Finding the Fourth Proportional to 292,351.99, 403,445.74 and 158,215.99
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Solution
The fourth proportional to 292,351.99, 403,445.74 and 158,215.99 is: 218,338.06
Step by Step Solution
- Step 1: Write the proportion equation
292,351.99 : 403,445.74 = 158,215.99 : x - Step 2: Convert to fraction form
292,351.99/403,445.74 = 158,215.99/x - Step 3: Cross multiply
292,351.99x = 403,445.74 × 158,215.99 - Step 4: Simplify right side
292,351.99x = 63,831,565,761.23 - Step 5: Solve for x
x = 63,831,565,761.23/292,351.99 - Step 6: Final answer
x = 218,338.06
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1.5x scale
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.