Finding the Fourth Proportional to 188,598.24, 260,257.65 and 106,931.99
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Solution
The fourth proportional to 188,598.24, 260,257.65 and 106,931.99 is: 147,561.66
Step by Step Solution
- Step 1: Write the proportion equation
188,598.24 : 260,257.65 = 106,931.99 : x - Step 2: Convert to fraction form
188,598.24/260,257.65 = 106,931.99/x - Step 3: Cross multiply
188,598.24x = 260,257.65 × 106,931.99 - Step 4: Simplify right side
188,598.24x = 27,829,868,427.22 - Step 5: Solve for x
x = 27,829,868,427.22/188,598.24 - Step 6: Final answer
x = 147,561.66
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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.