Finding the Fourth Proportional to 211,824.39, 292,507.53 and 158,015.99
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Solution
The fourth proportional to 211,824.39, 292,507.53 and 158,015.99 is: 218,203.71
Step by Step Solution
- Step 1: Write the proportion equation
211,824.39 : 292,507.53 = 158,015.99 : x - Step 2: Convert to fraction form
211,824.39/292,507.53 = 158,015.99/x - Step 3: Cross multiply
211,824.39x = 292,507.53 × 158,015.99 - Step 4: Simplify right side
211,824.39x = 46,220,867,666.67 - Step 5: Solve for x
x = 46,220,867,666.67/211,824.39 - Step 6: Final answer
x = 218,203.71
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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.