Finding the Fourth Proportional to 188,545.84, 260,189.76 and 103,661.08
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Solution
The fourth proportional to 188,545.84, 260,189.76 and 103,661.08 is: 143,050.37
Step by Step Solution
- Step 1: Write the proportion equation
188,545.84 : 260,189.76 = 103,661.08 : x - Step 2: Convert to fraction form
188,545.84/260,189.76 = 103,661.08/x - Step 3: Cross multiply
188,545.84x = 260,189.76 × 103,661.08 - Step 4: Simplify right side
188,545.84x = 26,971,551,526.54 - Step 5: Solve for x
x = 26,971,551,526.54/188,545.84 - Step 6: Final answer
x = 143,050.37
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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.