Finding the Fourth Proportional to 143,267.79, 197,655.87 and 88,795.08
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Solution
The fourth proportional to 143,267.79, 197,655.87 and 88,795.08 is: 122,503.94
Step by Step Solution
- Step 1: Write the proportion equation
143,267.79 : 197,655.87 = 88,795.08 : x - Step 2: Convert to fraction form
143,267.79/197,655.87 = 88,795.08/x - Step 3: Cross multiply
143,267.79x = 197,655.87 × 88,795.08 - Step 4: Simplify right side
143,267.79x = 17,550,868,789.12 - Step 5: Solve for x
x = 17,550,868,789.12/143,267.79 - Step 6: Final answer
x = 122,503.94
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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.