Finding the Fourth Proportional to 143,192.23, 197,473.23 and 97,320.58
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Solution
The fourth proportional to 143,192.23, 197,473.23 and 97,320.58 is: 134,212.65
Step by Step Solution
- Step 1: Write the proportion equation
143,192.23 : 197,473.23 = 97,320.58 : x - Step 2: Convert to fraction form
143,192.23/197,473.23 = 97,320.58/x - Step 3: Cross multiply
143,192.23x = 197,473.23 × 97,320.58 - Step 4: Simplify right side
143,192.23x = 19,218,209,278.07 - Step 5: Solve for x
x = 19,218,209,278.07/143,192.23 - Step 6: Final answer
x = 134,212.65
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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.