Finding the Fourth Proportional to 188,529.18, 260,176.95 and 103,652.70
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Solution
The fourth proportional to 188,529.18, 260,176.95 and 103,652.70 is: 143,044.40
Step by Step Solution
- Step 1: Write the proportion equation
188,529.18 : 260,176.95 = 103,652.70 : x - Step 2: Convert to fraction form
188,529.18/260,176.95 = 103,652.70/x - Step 3: Cross multiply
188,529.18x = 260,176.95 × 103,652.70 - Step 4: Simplify right side
188,529.18x = 26,968,043,345.27 - Step 5: Solve for x
x = 26,968,043,345.27/188,529.18 - Step 6: Final answer
x = 143,044.40
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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.