Finding the Fourth Proportional to 153,887.32, 212,368.08 and 96,529.08
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Solution
The fourth proportional to 153,887.32, 212,368.08 and 96,529.08 is: 133,212.38
Step by Step Solution
- Step 1: Write the proportion equation
153,887.32 : 212,368.08 = 96,529.08 : x - Step 2: Convert to fraction form
153,887.32/212,368.08 = 96,529.08/x - Step 3: Cross multiply
153,887.32x = 212,368.08 × 96,529.08 - Step 4: Simplify right side
153,887.32x = 20,499,695,383.77 - Step 5: Solve for x
x = 20,499,695,383.77/153,887.32 - Step 6: Final answer
x = 133,212.38
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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.